Warlock Effect

*THE SUNDAY TIMES THRILLER OF THE MONTH*
*A THE TIMES BEST THRILLER FOR APRIL*
*OPTIONED FOR TELEVISION IN A SEVEN-WAY AUCTION*

''Delightful'' THE TIMES
''Enthralling'' THE SUNDAY TIMES
''A serpentine thriller'' SPECTATOR
''A pure delight'' NEIL GAIMAN
''All the hallmarks of a modern classic'' ADAM KAY
''Two great masters join forces to explosive effect'' RICHARD OSMAN
''Huge fun - gripping and very clever...