Mark Kelly has served as the junior US Senator from Arizona since 2020. He was a captain in the United States Navy when he commanded the final mission of space shuttle Endeavour in May 2011. A veteran of four space flights to the International Space Station, he is a graduate of the United States Merchant Marine Academy and holds a master's degree from the
U.S. Naval Postgraduate School. Martha 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
Effie 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.
