Ruth Spiro is the author of the How to Explain Science to a Grown-Up series, the Made by Maxine series, and the best-selling Baby Loves Science series, which has been praised by NPR, Today , Popular Science , the Los Angeles Times , and more. Ruth speaks regularly at STEM and early-childhood conferences across the country. Kat Uno is a versatile illustrator and designer who enjoys creating everything from whimsical children's books to accurate scientific diagrams and modern textile designs. She has illustrated many children's books, including Baby Loves Meteorology! and the Mermaid Days series. www.katuno.com.