A story about inclusion, diversity, and the power of math to help one boy with autism thrive among his peers. Juan claps his hands to get his Jitters out. They make his tummy swoosh and swirl. His Jitters happen when there are too many people, too much noise, or too many changes to his day. Juan doesn't like surprises. Tomorrow there is an athletic event planned at school, which makes Juan very nervous. But his teacher has the perfect solution: math--Juan's favorite subject Counting, sorting, and matching help Juan calm his Jitters. By making math part of the day's athletic games, and by appointing Juan the official judge, his teacher can make sure that Juan will have fun and feel included. The class is calling it the Mathletic Games Parents of children 4 to 8 years-old can use this book to help teach kids about neurodiversity, inclusion, and the beauty in what makes every one of us unique. Teachers will find the book meets several Common Core Standards for pre-K through third grade in reading and math, and nurtures multiple domains of scholastic development.