Martha FreemanMartha Freeman worked as a reporter and teacher before becoming a full-time writer of books for young readers, including the Edgar Award–nominated Zap!, Born Curious, The Secret Cookie Club series, Who Stole Halloween?, and Efie Starr Zook Has One More Question, which School Library Journal called “accessible and exciting” in a starred review. She also collaborated with NASA astronaut Mark Kelly on the Astrotwins books. Martha lives in Oregon. Learn more at MarthaFreeman.com. Read More Read Less