^Actually, those are previews from the AKBingo Official book, which is a different book than the Sosenkyo Official Guidebook.
Some info on the content according to HMV:
- 'Best shots' of last years Top 10 members, selected from over 10,000 photos and an interview with them.
- Profiles of all the candidates, with questionaire answers.
- Fan project to guess the top 10 members for this year, with a chance to win a prize.
- Media people that know about AKB48 guessing the top 10 members.
- Interview with AkiP about the purpose of the election, members that he's particularly paying attention to, what's going to happen next, etc.