Bone Vol #5 Rockjaw: Master of the Eastern Border
- Publisher: Cartoon Books
- Written By: Jeff Smith
- Art By: Jeff Smith
- Language: English
- Digital Release Date: June 24th, 2015
While attempting to return a lost rat creature cub back to his home in the mountains, Fone and Smiley Bone's simple task turns into a major adventure after encountering the fierce mountain lion Rock Jaw.