To commemorate the 20th anniversary of the Pocket Monsters Special Manga, the Pokémon Center will be releasing the
Pocket Monster SPECIAL 20th Anniversary Data Book PokéSPedia (ポケットモンスターSPECIAL 20thアニバーサリーデータブック ポケSPedia) on August 8th, 2017. The book contains: the Story of each chapter from Chapter 1 to Chapter 14, Character profiles, World View Guide, a Pokémon Zukan, a dictioary and a Character correlation diagram.
The Pokémon Center will also release a gorgeous limited edition version with a special art piece! It's in a paper frame and the illustration is of Red and Pikachu drawn by Mato and Satoshi Yamamoto.
Source:
http://www.pokemon.co.jp/info/2017/07/170728_p01.html