Gyakuten Taizen 2001-2016

Gyakuten Taizen 2001-2016 (Turnabout Encylopedia) is a Japanese language Ace Attorney encyclopedia that was released in 2017 to commemorate the series' 15th anniversary. It has not been released outside of Japan.

The book covers all canon Ace Attorney games, from the original Game Boy Advance release of Gyakuten Saiban in 2001 to Dai Gyakuten Saiban 2: Naruhodō Ryūnosuke no Kakugo in 2017.