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Onix Underground
PB06 EN.png
ISBN: 156931571X
Published: June 1, 2001*
Publisher: VIZ Media
Author: Akihito Toda
Preceded By: Don't Laugh, Charizard! EN
Yadon's Big Yawn JP
Succeeded By: Gengar's Shadow EN
That's Lucky for You JP

Onix Underground (Japanese: イワークのトンネルめぐり Iwark's Tunnel Tour) is an original story written by Akihito Toda, with illustrations by Benimaru Itoh. In English, Onix Underground is the 20th book in the Pokémon Tales series, while in Japanese, it is the 6th book of the series. The short story is an 18 page board book written for children.

Online sources for the English edition of Onix Underground often feature the cover for Gengar's Shadow instead. Confusingly, both covers use the subtitle "Pokémon Tales 20", and webpages with either cover also list the same ISBN and often the same release date or blurb. (There are no sources that ever use the title "Gengar's Shadow" except within the cover image or the blurb.) It is unknown whether "Gengar's Shadow" might be a hoax, or whether there might have been some sort of publication error.


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Please feel free to edit this plot summary to add missing sections and complete it.


Onix, a Rock Snake Pokémon, finds traveling underground a lot easier when the tunnels already exist, but things do not turn out so well for the subway system, the gas and water supply, or the other burrowing creatures.





Edition Country Company Date ISBN
First Edition by Shogakukan First
Japan Shogakukan July 1997 ISBN 4097287060
First Edition by VIZ Media First
USA VIZ Media June 1, 2001 ISBN 156931571X



Project Merchandise logo.png This book article is part of Project Merchandise, a Bulbapedia project that aims to write comprehensive articles on all Pokémon toys, dolls, books, and collectible merchandise.