Put on your lab coat and grab your notepad, because a brand new mystery is waiting for you. When dogs suddenly start disappearing around town, curious scientist Ada Twist knows she has to get to the bottom of it. With her endless questions and trusty scientific method, Ada is ready to crack the case. But she cannot do it alone. Ada teams up with her best friends, Iggy Peck and Rosie Revere, to gather clues, form hypotheses, and track down the missing pups. As the Questioneers investigate the strange disappearances, they learn that science is not just about doing experiments in a lab. It is about paying attention, asking the right questions, and working as a team. Join Ada and her friends as they follow the tracks and test their theories in this fun, dog-filled adventure. Will they be able to rescue the pets and bring them home safely? You will need your best problem-solving skills to keep up with these brilliant young thinkers.