Tammi Sauer is the author of many children's books, including Your Alien, which earned starred reviews from Publishers Weekly and Kirkus. She's an active blogger and is highly involved in the children's writer community. Tammi has worked as a teacher and library media specialist and now lives in Oklahoma with her husband and their two children. Her local indie bookstore, Best of Books, in Edmond, OK, has named July 9 Tammi Sauer Day. Learn more at tammisauer.com and on Twitter at @SauerTammi.

Dan was born in Staffordshire, England, and studied art and illustration, graduating with a degree in visual communication. He has worked with a variety of publishers, including Simon & Schuster, Usborne, Campbell Books, and Scholastic. Dan is the illustrator of Tammi Sauer's But the Bear Came Back (Sterling). He lives in the UK. Learn more at dantaylorillustration.co.uk.