Be a Pet Sitter - Make Money! Author:Bridget Heos If you were a kid, could you make enough money to save up for that treasured skateboard or digital music player? The kids in these true-to-life stories learn through trial and error--and a few humorous mistakes--what it takes to make a successful business. Supports the math component of STEM by adding up the money they make and subtracting expen... more »ses. Sure to inform and inspire young entrepreneurs!« less