Casey Lyall is a writer from Southwestern Ontario. She works at her local library where she runs a number of teen groups and waits for management to discover they're actually paying her to have fun. She is the author of Howard Wallace P.I . and Shadow of a Pug: Howard Wallace P.I. 2 (both Sterling). You can find her on Twitter as @CKLyall and at caseylyall.

com. Sebastià Serra hails from Barcelona, Spain, where he studied Fine Arts at the Universitat de Barcelona. He is an award-winning illustrator whose work has appeared in magazines and on television. Sebastià has illustrated a number of picture books in Spain and in the US, including A Pirate's Night Before Christmas and A Pirate's Twelve Days of Christmas by Philip Yates. His work has also been displayed in exhibitions all over the world, including the US, Italy, Japan, China, and Korea.