Swim, Sam, Swim is likely a children's story, possibly in the form of a song or picture book, by the folk singer and writer Leon Rosselson. The story would center on a character named Sam who is facing a challenge involving water or swimming. The narrative would focus on encouraging Sam to overcome their fear or difficulty, celebrating determination, effort, and the joy of mastering a new skill. The book would use a gentle, encouraging tone and strong, rhythmic language.