Percy the Small Engine Takes the Plunge

Percy the Small Engine Takes the Plunge is a pop-up book written by Christopher Awdry and illustrated by Clive Spong.

Plot
Percy is curious to know why there's a DANGER notice on the quay at Knapford Harbour. But, he soon learns not to trust trucks when he goes past the board and into the harbour!

Characters

 * Percy
 * Thomas

Trivia

 * This book is based on the second season episode, Percy Takes the Plunge.