Boot up the computer and secure your passwords, because Horrid Henry is hacking his way into massive trouble. Wickedly subversive and hilariously funny, Henry is ready to unleash his absolute worst in this fantastic collection of four stories. Watch the workplace chaos unfold when Henry surprisingly accompanies his father to the office for the day, and see what highly classified family secrets he uncovers when he successfully hacks into his parents computer. But the real showdowns happen at school and at home. Prepare for an epic cafeteria clash when Henry goes head to head with the dreaded Demon Dinner Lady, and hold your breath as he meticulously plans and executes the ultimate, brilliant revenge on his brother, Perfect Peter. Bursting with snappy dialogue, relatable family drama, and unstoppable laughs, this book perfectly captures the wild imagination of the world's favorite bad boy. Step into Henry's shoes and experience the glorious thrill of a perfectly executed prank.