Teenage Mutant Ninja Turtles #13
- Publisher: IDW
- Written By: Kevin Eastman, Tom Waltz
- Art By: Andy Kuhn, Kevin Eastman
- Language: English
- Digital Release Date: March 5th, 2014
The forces of good and evil marshal on multiple fronts as the “Sins of the Fathers” arc begins! Casey Jones’ worsening home life tempts Raph to dangerous action— and Splinter decides to set a new course for his son's way of life. Plus, what dark secret is the Shredder hiding — even from his own Clan?! Change is afoot!