ANNA CROWLEY REDDING is the author of such children's books as The Gravity Tree, Rescuing the Declaration of Independence, Google It, and Elon Musk: A Mission to Save the World, among others. Her first career was as an Emmy-award winning investigative television reporter, anchor, and journalist. The recipient of multiple Edward R. Murrow awards and recognized by the Associated Press for her reporting, Crowley Redding now focuses her stealthy detective skills on digging up great stories for young readers. Anna's books have been recognized by NSTA as best STEM books. Visit her on the web at annacrowleyredding.com.

EMILY SUTTON was born in Yorkshire, England, and graduated from the Edinburgh College of Art. She is the illustrator of Grow: Secrets of Our DNA by Nicola Davies, Ernestine's Milky Way by Kerry Madden, The Christmas Eve Tree by Delia Huddy, and Tiny: The Invisible World of Microbes, which won an AAAS award for best picture book. Her work can also be seen on textiles for St. Jude's fabrics, for which she won an Elle Deco award for best surface design. Visit her on the web at emillustrates.com.