Fiction

• Angels of Light (1987, ISBN 978-0070386921)
• The Ascent (1993, ISBN 978-0747240488)
• Empire of Bones (1993, ISBN 9780688122522,)
• The Descent (#1, 1999, ISBN 9780515131758)
• Year Zero (2003, ISBN 0743406117)
• The Reckoning (2004, ISBN 0743463005)
• The Wall (2006, ISBN 9780743498708)
• Deeper: A Novel (#2, 2007, ISBN 9780743284547)
• Too Close to God (2015, ISBN 978-0991807659)

Non-fiction

• Outlaw: The Story of Claude Dallas (1986, ISBN 978-0070386907)
• Duel of Eagles: The Mexican and U.S. Fight for the Alamo (1991, ISBN 978-0688109677)

• Jeff Long at the Internet Speculative Fiction Database