Sherri Duskey Rinker is the author of Roto and Roy: Helicopter Heroes and Revver the Speedway Squirrel , as well as the #1 New York Times bestsellers Goodnight, Goodnight, Construction Site; Steam Train, Dream Train; Mighty, Mighty Construction Site; and Construction Site on Christmas Night , among others. Sherri lives with her family in Illinois, and she invites you to visit her online at sherririnker.com. Don Tate is the award-winning creator of William Still and His Freedom Stories: The Father of the Underground Railroad and the illustrator of Roto and Roy: Helicopter Heroes and Swish!: The Slam-Dunking, Alley-Ooping, High-Flying Harlem Globetrotters , among others. Don lives with his family in Austin, Texas, and he invites you to visit him online at dontate.com.