'The Mennyms' Hardback, UK ed., Pub: Julia McRae, 1993
'The Mennyms', Paperback, US ed., Pub: Avon Camelot, 1995
'The Mennyms' Paperback, Dutch Translation, 1996
'The Mennyms' Paperback, UK ed., Pub: Red Fox, 2001
'Mennyms in the Wilderness' Hardback, UK ed., Pub: Julia McRae, 1994
'Mennyms in the Wilderness' Paperback, Dutch Translation, 1997
'Mennyms under Siege' Hardback, UK ed., Pub: Julia McRae, 1995
'Mennyms Under Siege' Hardback, Japanese translation, 1995
'Mennyms Alive' Hardback, UK ed., Pub: Julia McRae, 1996
'Mennyms Alone' Hardback, UK ed., Pub: Julia McRae, 1996
'Mennyms Alone' Paperback, Polish translation, 2003
'Space Race' Hardback, UK ed., Pub: Bodley Head, 2000
'Space Race' Paperback, UK ed., Pub: Red Fox, 2002
'Earthborn' Hardback, UK ed., Pub: Bodley Head, 2002
'Earthborn' Paperback, UK ed., Pub: Red Fox, 2003
'Earthborn' Paperback, US ed., Pub: Dell Yearling, 2004
'Who Goes Home?' Hardback, UK ed., Pub: Bodley Head, 2003
'Who Goes Home?' Paperback, UK ed., Pub: Red Fox, 2003