Jim Sorenson is one of the leading authors of animation art and guide books. A longtime fan of science fiction in general and Teenage Mutant Ninja Turtles in particular, his many guidebooks are well regarded by fan communities for their exhaustive attention to detail. Reports of his incarceration in another dimension should be dismissed as unfounded rumors unworthy of attention.

Teenage Mutant Ninja Turtles: Mutant Mayhem is a completely new take on the heroes in a half shell. This volume offers an in-depth look at the unique designs and stunning visuals that make up this fresh spin on a classic franchise!Includes character designs and turnarounds, vehicle concepts, location designs, and development art. Director Jeff Rowe, Producers Seth Rogen and Evan Goldberg, and other leadership and crew from across the production were interviewed and shared a range of behind-the-scenes stories and insights that make this book a spectacular companion to the film.Lovingly crafted by Turtles aficionado Jim Sorenson (The Art of the Angry Birds Movie, Transformers: Legacy, Transformers: A Visual History, The G.I. Joe Field Manual), with a special interview with the incomparable Seth Rogen (Producer of Teenage Mutant Ninja Turtles: Mutant Mayhem and the voice of Bebop), an Introduction by Director Jeff Rowe, and a Foreword from Nickelodeon & Paramount Animation President Ramsey Naito; this book is everything a TMNT fan could ask for and more!