Brian Floca is the author and illustrator of the Caldecott Medal-winning book Locomotive. He also wrote and illustrated Lightship and Moonshot: The Flight of Apollo 11, both Sibert Honor Books, and illustrated Avi's Poppy Stories series as well as Jan Greenberg and Sandra Jordan's Ballet for Martha: Making Appalachian Spring, also a Sibert Honor Book. Brian grew up in Texas and now lives in Brooklyn, New York. Find him online at www.brianfloca.com. Kate Messner is the author of The Seventh Wish; All the Answers; The Brilliant Fall of Gianna Z., winner of the E. B. White Read Aloud Award for Older Readers; Capture the Flag, an SCBWI Crystal Kite Award winner; Hide and Seek; Manhunt; and the Ranger in Time and Marty McGuire chapter book series. A former middle-school English teacher, Kate lives on Lake Champlain with her family and loves reading, walking in the woods, and traveling. Visit her online at katemessner.com.