|This article is about the pop up book. You may be looking for the episode, the magazine story, the UK DVD, the US DVD, the promotional DVD, the Philippine DVD, the Malaysian DVD or the Buzz Book.|
Percy is curious to know why there is 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.
- This book is based on The Railway Series story, Percy Takes the Plunge.
- There were two versions of this book published: one was green, and the other orange. The orange version was also sold as part of the Percy Takes the Plunge Wooden Railway set.
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