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 soons learns not to trust trucks when he goes pass the board and in the harbour water.

Featured characters

 * Percy
 * Thomas
 * Henry