Children's Fiction:
* The Wolves of Willoughby Chase (1962) - A classic children's novel about two young girls who are separated from their mother and must escape a sinister plot.
* The Phoenix and the Carpet (1964) - A fantasy novel about a young boy who discovers a magical carpet.
* The Spell of the Sorcerer's Stone (1972) - A fantasy novel about a young girl who discovers a magical stone.
* The Secrets of the Castle (1976) - A historical novel set in the 15th century about a young girl who discovers a secret about her family.
* The Tale of the Treasure (1980) - A pirate adventure about a young girl who finds a treasure map.
* The Adventures of the Wishing Chair (1982) - A fantasy novel about a magical wishing chair.
* The Ghost of Thomas Kempe (1988) - A historical novel set in the 16th century about a young boy who encounters a ghost.
Adult Fiction:
* The Day the Music Died (1993) - A thriller about the disappearance of a famous rock musician.
* The House of the Seven Gables (2001) - A gothic novel about a haunted house.
* The Mystery of the Missing Mummy (2005) - A historical mystery set in Egypt.
Other Genres:
* The Book of Shadows (1995) - A non-fiction book about witchcraft.
* The History of the World in 100 Objects (2010) - A non-fiction book about the history of the world through objects.
He has also written numerous short stories and essays. He is known for his imaginative storytelling and his ability to create engaging characters.
It is important to note that some of the titles listed above may be by other authors with similar names. To be sure, you can check the author's website or a reliable source like Goodreads or LibraryThing.