Family Histories of Bikini Bottom is a book that appears in the episode "Pest of the West."
The cover of the book is pale red and the title is written in all caps and in yellow text.
It is mainly an encyclopedia about families that resided/reside in Bikini Bottom during its development. This book contains the histories of every family in Bikini Bottom.
SquarePants - There is an entry about the SquarePants family. Its most notable individual, according to the book, was SpongeBuck SquarePants, who returned Bikini Gulch back to the people from Dead Eye Plankton. In return for his heroism, there was a statue erected from Dead Eye's gold. Today, his statue still stands in Bikini Bottom.
Role in episode
SpongeBob and Sandy read the book in the library to look at the former's family history. Reading the book triggers the flashback to the days of SpongeBuck SquarePants and Dead Eye Gulch.