South Korean boy group EXO will publish a photo book of its second concert tour, the band's management said on Tuesday.

To be released on July 26, "EXO Planet #2 - The Exolution" includes pictures of EXO members taken at a total of 44 concerts in 25 cities around the world.

(S.M. Entertainment)

Since March, the K-pop boy band has toured such locations as Seoul, Tokyo, Beijing, Hong Kong, Bangkok, New York, Chicago and Los Angeles.

The photo book will allow fans a peek behind the scenes as well as including on-stage shots.

Also included in the book are special interviews with each member and greetings to their fans.

Pre-order sales were launched on Monday, and the book will be available in local stores from the official release date.

EXO is slated to begin its third concert tour "EXO Planet #3 - The Exodium" at Olympic Park in southeastern Seoul on July 22-24 and 29-31. (Yonhap)