The flashback is the weakest of all foreshadowing, and it is the device that ruined this book for me. It's a shame too, because Thomas H. Cook uses other foreshadowing as well--hints about the deadliest sin being pride, allusions to the consequences similar characters faced in great literary works. The flashbacks were confusing at best and disruptive to the pace of the story at worst. I don't mind so much if the entire story is…