Richie Salmon's Guide to Fitness is a book that appears in the episode, "Rule of Dumb."
The book is mainly light blue in color with the text written in red and containing two stars beside a light purple fish exercising on the front cover.
Role in episode
When a man in a suit
appears at Patrick's house
, he takes his overdue library books, including this book, to SpongeBob's house
and burns them.