Series

Star Jam Pack

• Starclipper and the Song Wars (1985) ISBN 978-0416516302
• Starclipper on the Snowstone (1986) ISBN unknown
• Starclipper and the Galactic Final (1987) ISBN 0-416-00802-X

Dragonfall 5

• Dragonfall 5 and the Royal Beast (1972) ISBN 0416842402
• Dragonfall 5 and the Space Cowboys (1972) ISBN 0688416802
• Dragonfall 5 and the Empty Planet (1976) ISBN 0688417329
• Dragonfall 5 and the Hijackers (1979) ISBN 978-0416842302
• Dragonfall 5 and the Master Mind (1975) ISBN 0416830501
• Dragonfall 5 and the Super Horse (1977) ISBN 978-0416565201
• Dragonfall 5 and the Haunted World (1979) ISBN 0416868509

Adult novels

• And the Mistress Pursuing (1966) ISBN 978-0340028346
• Planet in the Eye of Time (1968) ISBN 978-0340043349

Other teenage novels

• Planet of the Jumping Bears (1990)ISBN 0-434-975419
• The Rock Dog Gang (1987) ISBN 978-0416020427
• Next Stop, Wildstar (1994) ISBN 0-434-97822-1

Non-fiction

• Trumpet at a Distant Gate: The Lodge as Prelude to the Country House Timothy Mowl and Brian Earnshaw, London: Waterstones, 1985 ISBN 9780947752056

• John Wood: Architect of Obsession Timothy Mowl and Brian Earnshaw, Bath: Millstream Books, 1988 ISBN 0-948975-13-X

• Architecture Without Kings: The Rise of Puritan Classicism under Cromwell, Timothy Mowl and Brian Earnshaw, New York: Manchester Univ. Press, 1995 (Sept.) ISBN 0-7190-4678-5, ISBN 0-7190-4679-3
• AN INSULAR ROCOCO Architecture, Politics and Society in Ireland and England, 1710—1770, Timothy Mowl and Brian Earnshaw, 1999 ISBN 1-86189-044-3

Poetry

• At St. David's A Year, London: Hodder & Stoughton, 1968 ISBN 340-02503-4
• Cavafy Gone Gothic, Bristol: Redcliffe Press, 2008 ISBN 978-1-906593-06-3