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. nKat Uno is a versatile illustrator and designer who enjoys creating everything from whimsical childrens books to accurate scientific diagrams and modern textile designs. She has illustrated many childrens books, including Baby Loves Meteorology! and the Mermaid Days series. www.katuno.comn