Kate Messner is a former middle-school English teacher and the author of E. B. White Read Aloud Award winner The Brilliant Fall of Gianna Z. and its companion, The Exact Location of Home; Sugar and Ice; Eye of the Storm; Wake Up Missing; All the Answers; The Seventh Wish; Capture the Flag; Hide and Seek; the Marty McGuire chapter book series; the Ranger in Time chapter book series; and several picture books. She lives on Lake Champlain with her husband and two kids.

When she's not reading or writing, she loves hiking, kayaking, biking, and watching thunderstorms over the lake.

Gwendolyn Hooks is the author of Tiny Stitches: The Life of Medical Pioneer Vivien Thomas, which received an NAACP Image Award for Outstanding Literary Work for Children. Hooks was born in Savannah, Georgia, and thanks to her Air Force dad, she also lived in Texas and Washington in the United States, and Italy. After teaching middle school math, Hooks decided to follow her passion to write books for children. Since then she has written several popular early readers for Stone Arch Books (Capstone), Just for You! (Scholastic), andBebop Books' (Lee & Low). Hooks lives in Oklahoma City, Oklahoma, with her husband.