Author & Illustrator Profile
Jarrett Lerner
19 Books
Jarrett Lerner is an American author and illustrator of children’s books, known for humorous, high-energy stories that often mix text, comics, and doodle-style art. His works include the EngiNerds series, the Geeger the Robot early chapter books, the Hunger Heroes graphic novels, and the middle-grade novel in verse A Work in Progress. He often writes for young readers who enjoy funny, accessible stories about friendship, school, problem-solving, and self-confidence.
Ari’s life seems completely normal—school, video games, and a pet turtle named Fred. But there is one major exception: his mom is a real-life mad scientist! Her inventions are supposed to make everyday life easier, but they always seem to go a little bit wrong. When she builds a high-tech time portal just to help tackle the massive mountain of dirty laundry taking over their house, she accidentally causes a prehistoric disaster. Suddenly, they are pulled seventy million years into the past. Now, Ari has to figure out how to survive the time of the dinosaurs, fix his mom’s wacky experiment, and find a way back home before they become history themselves.
6-8 Years
9-12 Years
128 Pages
Nat the Cat has just made an amazing discovery: a real treasure map! Like any good adventurer, Nat absolutely loves treasure and cannot wait to track down the hidden prize. But there is a problem. His curious friend, Pat the Rat, loves treasure just as much, and he wants in on the fun. Nat is feeling greedy and definitely does not want Pat getting his paws on the shiny loot. As they bicker over the map, they start to notice that there is something incredibly funny and strange about the directions they are following. What exactly is waiting for them at the end of this hunt? This hilarious early reader is packed with funny banter, fourth-wall breaks, and a surprise ending that will make kids laugh out loud.
6-8 Years
17 Pages
Nat the Cat is feeling pretty good about his brand-new hat. It fits perfectly, and he thinks he looks great. That is, until his friend Pat the Rat walks by wearing an even nicer, much cooler hat! Suddenly, Nat is feeling incredibly jealous. He does not just want his old hat anymore; he wants a spectacular hat exactly like Pat’s! As Nat’s envy grows, the two friends are on the verge of a very silly argument. Can Nat learn to be happy with what he has, or will a simple piece of clothing ruin their friendship? With its signature fourth-wall-breaking humor and exasperated narrator, this laugh-out-loud story perfectly captures the tricky emotions of jealousy and learning to share.
6-8 Years
36 Pages
Nat the Cat and his buddy Pat the Rat are out for a stroll when they spot something totally bizarre. It is a strange, mysterious thing sitting right in front of them, and it is covered in a thick layer of dust! Neither of them has any idea what this dusty object could be, but they are determined to solve the puzzle. Nat and Pat will have to put their heads together, gather clues, and figure out exactly what they have discovered. With fast-paced action, bold two-color illustrations, and hilarious dialogue, this early chapter book is perfect for kids who are ready to move beyond beginner readers. Join Nat and Pat as they crack the case in a funny, confidence-building adventure!
6-8 Years
9-12 Years
112 Pages
It is a totally normal Monday morning when an emergency call comes through to the Hunger Heroes! In Ms. Sternbladder’s classroom, a hungry kid has missed breakfast and is strictly forbidden from sneaking any snacks. His stomach is growling so loudly it is entirely out of control! How is he supposed to focus on his tricky math test, study for spelling, or have any energy to play soccer at recess? Enter the Hunger Heroes: Toots the Bean, Chip Ninja, Tammy the Tomato, and Leonard, a brave wedge of cheddar cheese. Zooming through the air in their high-tech taco hovercraft, this squad of food-based superheroes is ready to save the day. Can they sneak past the teacher and deliver a satisfying snack before this hangry kid completely melts down?
6-8 Years
9-12 Years
128 Pages
The city is in serious, sticky danger, and it is up to four mismatched roommates to save the day. Abby Astro, Blix Blaster, Captain Kooky Pants, and Wanda Weather all have incredible superpowers, but they hardly ever agree on anything. When the villainous Dr. Slimepeople unleashes a plot to turn the entire city lake into a massive pool of green goo, these unlikely heroes have to stop arguing and start working as a team. Packed with hilarious hijinks and nonstop action, this superhero spoof keeps the pages turning. With brightly illustrated panels on every page and short, action-packed chapters, it is the perfect bridge for kids moving into longer stories. Readers will cheer on this wacky crew as they battle rising slime and learn that teamwork is the ultimate superpower.
6-8 Years
9-12 Years
112 Pages
Gabby the babysitter is in a serious snacking crisis. She is stuck in a house with zero treats, and she is rapidly entering the hangry danger zone. Enter the Hunger Heroes. Toots the Bean, Chip Ninja, Tammy the Tomato, and Leonard the cheddar cheese wedge are ready to fly their taco hovercraft to the rescue. These bite-sized protectors of the hungry think delivering mushroom pizza, chocolate donuts, and peanut butter pretzels will be a quick and easy mission. But they are completely unaware that a massive green enemy is lurking in the shadows, waiting to stop them in their tracks. This silly, high-energy graphic chapter book delivers nonstop laughs and hilarious culinary combat. Readers will devour the fast-paced action as the Hunger Heroes fight to keep Gabby fed and defeat their giant nemesis.
6-8 Years
9-12 Years
132 Pages
Abby Astro, Blix Blaster, Captain Kooky Pants, and Wanda Weather might have amazing superpowers, but at the end of the day, they are still human. Just like regular kids, they love staying up entirely too late to watch their favorite television shows. But skipping out on sleep proves to be a huge mistake when they wake up the next morning to discover their city is under serious attack! Their former roommate, Nin, is causing absolute chaos, and now this exhausted team of heroes has to pull themselves together to save the day. With tired eyes and clashing powers, the squad must figure out how to stop the destruction before it is too late. Action-packed and laugh-out-loud funny, this story proves that even the bravest heroes need a good night's sleep.
6-8 Years
9-12 Years
112 Pages
It is officially bath time, but Nat the Cat has other plans. Getting this grumpy feline into the tub is proving to be an impossible task. First, Nat insists that he simply cannot take a bath without his toys. Then, he refuses to get in unless there are plenty of bubbles. Next, he absolutely must have a towel ready to go. The narrator is trying their best to keep the story moving, but Nat keeps coming up with wild excuse after wild excuse. Is Nat just being stubborn, or is he hiding a secret fear of the water? Perfect for new readers, this hilarious, fourth-wall-breaking story will have you giggling as the frustrated narrator tries everything to get one very resistant cat to finally wash up.
6-8 Years
36 Pages
Bash the ghost is finally starting to feel comfortable at Scare School. As he begins his second session at the world's most famous academy for elementary scare instruction, he is actually excited to see his friends and start his new classes. But his newfound confidence is quickly shattered when he gets assigned to a group project with Vlad and Vicky, a pair of highly mischievous vampires. These toothy troublemakers love causing chaos, and Bash is terrified that their bad behavior is going to ruin his grade. Can a sweet ghost learn how to work together with two rowdy vampires without totally losing his cool? Packed with spooky fun, this chapter book explores the tricky challenges of teamwork and finding common ground.
6-8 Years
9-12 Years
144 Pages
Bash is a sweet, young ghost who has one major problem: he is terrible at scaring people. Now, he is being sent off to Scare School, the most prestigious academy for young ghouls and monsters, and he is completely terrified! His older sister, Bella, was a star student who excelled at every spooky subject, making the pressure on Bash even worse. Before the first day even begins, Bash is stressed out. He hasn't figured out the basics yet—he cannot turn invisible properly, and he keeps bonking his head every time he tries to float through a solid wall. Surrounded by frighteningly talented classmates, Bash must figure out how to pass his ghostly classes before he gets booted out of school forever.
6-8 Years
9-12 Years
73 Pages
Nat the Cat just wants to do one simple thing: take a nice, quiet nap. But getting some rest is completely impossible when the narrator of the book refuses to stop talking! Every time Nat closes his eyes, he is rudely interrupted. To make matters worse, Pat the Rat has shown up to join in on the noisy chaos. This incredibly silly, fourth-wall-breaking story features a grumpy feline who just wants a little peace and quiet, and a narrator who keeps turning Nat's own words upside down and inside out. Packed with clever wordplay and laugh-out-loud funny illustrations, this early reader will have kids giggling as they watch poor Nat's naptime turn into an absolute disaster.
6-8 Years
36 Pages
Ari is used to the chaos of living with a mad scientist mom, but her latest invention is about to cause a giant-sized problem! To help clean up the messy house, his mom tests out a brand-new gadget called a magnimizer, which is designed to shrink or enlarge absolutely anything. It sounds like a brilliant idea, until their grumpy neighbor, Mr. Jakes, accidentally gets zapped. Suddenly, Mr. Jakes is the exact size of a cockroach! To make matters much worse, a hungry mouse currently lives in their basement, and a tiny neighbor looks like the perfect bite-sized snack. Now, Ari has to jump into action, outsmart a ravenous rodent, and figure out how to operate the magnimizer to save teeny-weeny Mr. Jakes before he becomes mouse food.
6-8 Years
9-12 Years
144 Pages
Get ready for a brand new adventure with everyone's favorite snack-loving, rule-following robot! Geeger the Robot is back, and this time he is ready to take on a massive challenge. Living with his human friends is always full of surprises, but nothing could prepare Geeger for his latest mission. When a special event requires him to test his robotic limits, Geeger has to figure out how to balance his mechanical abilities with his newly learned human skills. With his best friend Tillie cheering him on, Geeger learns what it really means to be a winner, even if things do not go exactly according to his programming. Can this enthusiastic bot secure a victory without causing a total technological meltdown?
6-8 Years
9-12 Years
Geeger the Robot and Tillie are the absolute best of friends. Usually, Geeger knows exactly how to make Tillie smile, whether they are sharing their favorite snacks, telling silly robot jokes, or working on glittery art projects at school. But today is different. No matter what Geeger tries, Tillie is just not happy. There are no laughs, no smiles, and definitely no twinkle in her eye. Seeing his best friend feeling so down makes Geeger want to do whatever it takes to fix it. Can a robot made of nuts and bolts figure out human emotions well enough to turn Tillie's terrible day around? This heartwarming chapter book explores the challenges of cheering up a friend and the power of true empathy.
6-8 Years
96 Pages
Geeger the Robot is thrilled to be invited to his very first party. His best friend Tillie is having a birthday, and Geeger cannot wait to celebrate. There is just one small problem. Geeger has absolutely no idea what happens at a birthday party, and he definitely does not know how to pick out the perfect present. Would Tillie like a nice, sturdy stick? How about a fresh pile of dirt? As the party gets closer, Geeger starts to worry that his robot ways might ruin Tillie's special day. Readers will laugh out loud as Geeger tries to figure out human traditions in his own clumsy, mechanical way. This funny, fast-paced story is perfectly designed for growing readers who are ready for short chapters and big laughs.
6-8 Years
96 Pages
Geeger the Robot is buzzing with excitement! His class is taking a special field trip to the Amblerville History Museum, and Geeger cannot wait to explore. As they walk through the grand halls, he is amazed by all the incredible displays, from dusty ancient fossils to exhibits about yummy food. But the absolute best part is a massive exhibit all about the history of bots! Geeger is thrilled to see the amazing inventions that paved the way for modern robots like him. However, he soon realizes that not every human at the museum thinks robots are wonderful. Some people are actually skeptical of machines! It is up to Geeger to use his shiny personality and big mechanical heart to change their minds.
6-8 Years
96 Pages
Geeger the Robot absolutely loves being in Ms. Bork’s class, and he gets along perfectly with Fudge, the adorable class hamster. In fact, Geeger and Fudge have a lot in common—they both love spending their time eating mushy bananas! But when Fudge mysteriously goes missing from his cage, panic sets in, and some of the kids start pointing their fingers at Geeger. Since Geeger is known for accidentally eating things he shouldn't, could his robotic appetite have led to a terrible mistake? He knows he would never eat his furry friend on purpose, but he has to clear his name fast! Teaming up with his best human friend, Tillie, Geeger must use his robotic strengths to track down the missing hamster and prove his innocence.
6-8 Years
96 Pages
Geeger the Robot is officially going to school for the very first time! But there is a catch: he is not going to a school for robots. He is attending a regular school filled with human kids! As a bot made entirely of wires, nuts, and bolts, Geeger is not quite used to human customs. His highly literal robotic brain leads to some hilarious misunderstandings, confusing instructions, and a lot of messy classroom mishaps. From figuring out how to play at recess to surviving the cafeteria, Geeger is starting to wonder if he will even make it to snack time without causing a disaster. Can a friendly robot figure out how to fit in and make friends in a totally human world?
6-8 Years
80 Pages
