Shogakukan has announced the release dates for the newest Japanese Pocket Monsters manga's. Pocket Monsters Special 38 (ポケットモンスター☆SPECIAL 38) will be released on February 25th, 2011 for 490yen and its ISBN-13 is 9784091412089 and its ISBN-10 is 4091412084.

Pokémon Tri-Adventure Volumes 2 & 3 (ポケモントライアドベンチャー) were also announced and they will be released on February 28th, 2011 for 500yen each. The ISBN-13 for volume two is 9784091412195 and the ISBN for volume three is 9784091412201.

Source: http://skygarden.shogakukan.co.jp/skygarden/