Answer
Yes, there are books written about Dean Fujioka. One example is the book "Dean Fujioka: The Ultimate Guide" by J-Pop author and critic Patrick Macias. This book provides an in-depth look at Fujioka's career, from his early days as a singer and actor to his recent success as a television personality. The book also includes interviews with Fujioka himself, as well as with his friends, family, and colleagues.