Décidément, ce n'est pas encore cette fois que la pauvre Madeleine parviendra à convaincre son ma...
In this latest novel from bestselling author John Verdon, ingenious puzzle solver Dave Gurney put...
The first book in the Dave Gurney series, Think of a Number is a heart-pounding game of cat and m...
In John Verdon's most sensationally twisty novel yet, ingenious puzzle solver Dave Gurney brings ...
Let The Devil Sleep is the gripping third crime novel by John Verdon in the David Gurney series.T...
John Verdon returns with Shut Your Eyes Tight, the second book by in the David Gurney series.Once...
It begins with a letter . . . The letter contains a request - think of a number, any number - and...
'It's always a pleasure to watch a keen mind absorbed in a difficult puzzle, which is how Dave Gu...
When an old colleague comes to him for help solving the mysterious death of his town's most promi...