From Bulbapedia, the community-driven Pokémon encyclopedia.
Pokémon Bug Pokédex is a book from the Element Pokédex series. It features all the Bug-type Pokémon from the first three generations, as well as other information about the Bug element. The book is in the shape of a Net Ball and is 47 pages long.
Bug Pokédex focuses on all aspects of Bug-type Pokémon, including their strengths and weaknesses, name pronunciation, moves, type, and level-up info. It describes Ash's battle against Bugsy at Azalea Gym. In addition, it provides information about Pokémon Contests. At the end of the book, there is an interview with Tracey Sketchit.
Check out www.Pokemon.com/MastersClub for exclusive Master Tips, games, and more!