The adventurous four again
Enid Blyton
The Adventurous Four (2)
The Icarus Agenda
Robert Ludlum
Barry the Fish With Fingers
Sue Hendra
Basic Mathematics
Charles P. McKeague
Dirk Gently's Holistic Detective Agency
Douglas Adams
Dirk Gently (1)
The long dark tea-time of the soul
Dirk Gently (2)