Twelve-year-old twins Philippa and John have more adventures when they become involved in an international escapade involving the Blue Djinn, the supreme arbiter of all Djinn.
The Blue Djinn of Babylon
This book might be part of the Children of the lamp -- bk. two series.

Philip Kerr: The Blue Djinn of Babylon (2007, Thorndike Press)
477 pages
English language
Published 2007 by Thorndike Press.
Subjects
- Large type books
- Genies -- Fiction
- Magic -- Fiction
- Twins -- Fiction
- Brothers and sisters -- Fiction
- Large type books