A new video and book for “Marcel the Shell with Shoes On” By Sean L. McCarthy Books Video 554 days ago 1 Did you think that Marcel, the shell with shoes on, was completely adorable? Of course you did. So, now what? Creators Jenny Slate and Dean Fleischer-Camp have expanded Marcel to a book, and here is the second video of Marcel in action. Roll it! The book is kid-friendly, kid-approved!