A rhyming story for beginner readers about the adventures of the Cat in the Hat.

Carlota's parents and teachers decide that she needs to be sent to a strict boarding school but Carlota, determined to reunite with her beloved cat, Miniatura, devises a plan to return home.

Carlota sees her chance for freedom and adventure on a ship. Once she and her cat, Miniatura, have sneaked on board, they think the crew are pirates and set about terrorizing the crew.