Morning Musume。 20th Anniversary Official Book (first press)
Suzuki Airi – Do me a favor (first press with Blu-ray & bonus clearfile)
The book contains interviews with OGs, current members, and Tsunku; a timeline of the group's history; a discography/bibliography; and plenty of photos. OGs who were
not interviewed: Ichii, Kago, Konno, Ogawa, Kamei, Kusumi, Mitsui, Junjun, Linlin, and Suzuki.