Louis Warlock returns in this rollicking adventure that is John Le Carré meets Arthur Conan Doyle. Praise for THE WARLOCK EFFECT: '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. I didn't want it to end' PETER JAMES 'A beautiful magic trick in itself - wonderful' DERREN BROWN 'I absolutely loved every twist, every turn, every blockbusting cliffhanger' STEVEN MOFFAT