Marcie Colleen is the author of the chapter book series Super Happy Party Bears and the picture books Love, Triangle and The Adventure of the Penguinaut.

She’s a former classroom teacher and current educational consultant for the Picture Book Month initiative.

She also creates teacher’s guides for picture books and middle-grade novels and is a huge advocate for using children's fictional literature in the classroom.

Emma Yarlett graduated from University College Falmouth in 2011. She is the creator of Nibbles the Book Monster, Orion and the Dark and Sidney, Stella and the Moon. She has also created animation artwork for the Waterstones Children's Book Prize. She is the winner of the English Association Picture Book Prize. Her first book for Walker was Dragon Post, followed by Beast Feast. Emma lives in Cornwall.