Note that the series is listed in chronological order of the story; publication dates fore some are much later than the time period in which some titles are set.
- The Crocodile on the Sandbank (1975)
- The Curse of the Pharaohs (1981)
- The Mummy Case (1985)
- Lion in the Valley (1986)
- Deeds of the Disturber (1988)
- The Last Camel Died at Noon (1991)
- The Snake the Crocodile and the Dog (1992)
- The Hippopotamus Pool (1996)
- Seeing A Large Cat (1997)
- The Ape Who Guards the Balance (1998)
- Guardian of the Horizon (2004)
- A River in the Sky (2010)
- The Falcon at the Portal (1999)
- The Painted Queen (2017, completed by Joan Hess)
- He Shall Thunder in the Sky (2000)
- Lord of the Silent (2001)
- The Golden One (2002)
- Children of the Storm (2003)
- The Serpent on the Crown (2005)
- Tomb of the Golden Bird (2006)