Children's Fiction:
* The Real McKenzies (1959): A popular series about a family of Scottish immigrants in Canada.
* The Boy Who Could Fly (1962): A fantasy story about a boy who learns to fly.
* The Lost and Found Book (1971): A story about a boy who finds a magical book that transports him to different worlds.
* The Sundowners (1975): A series about a family traveling across Australia.
* The Adventures of Fuzzy (1983): A series about a koala who travels the world.
Historical Fiction:
* The King's Messenger (1965): A historical novel about a young boy who delivers a message to King Henry VIII.
* The Ghost of the Spanish Galleon (1977): A story about a boy who finds a treasure map that leads him to a sunken galleon.
* The Secret of the Red Gate (1980): A historical mystery set in Victorian England.
Cleary also wrote numerous other books, including non-fiction, biographies, and short stories.
You can find more information about James Mansfield Cleary and his works on websites like Wikipedia and Goodreads.