A boy gets buried in dirty laundry and pulled into time travel shenanigans after his mom's latest experiment in this first book in the My Mad Scientist Mom chapter book series from acclaimed author-illustrator Jarrett Lerner. Ari's life is pretty simple, filled with school, video games, and his pet turtle, Fred, but his mom is a mad scientist--or big-hearted genius, as Ari says--who strives to make people's lives better by solving problems...