Kirsten W. Larson used to work with rocket scientists at NASA. Now she writes books for curious kids. She is the author of
Wood, Wire, Wings: Emma Lilian Todd Invents an Airplane and
A True Wonder: The Comic Book Hero Who Changed Everything, along with several forthcoming titles. She lives near Los Angeles, California, with her family.
Katherine Roy is the award-winning author and illustrator of many science-based books for kids, including her Sibert Honor book
Neighborhood Sharks: Hunting with the Great Whites of California's Farallon Islands and
How to Be an Elephant: Growing Up in the African Wild. She is also the illustrator of
Otis and Will Discover the Deep: The Record-Setting Dive of the Bathysphere and of
Red Rover: Curiosity on Mars. She lives with her husband and sons in Oregon, where she loves gazing up at the stars.