"Guardians of the Galaxy: Rocket and Groot Fight Back" by Marvel Press
From Disney Books:
"Read along with Marvel! Rocket and Groot are best pals. Even though they’re very different, they love to hang out with each other. When they meet Peter Quill, Gamora, and Drax the Destroyer, though, not only do they make new friends, they find something really fun to do—fight for the galaxy! Follow along with word-for-word narration to see this group of misfits protect the world from Ronan, a powerful villain who threatens the entire universe."