The men who explained miracles - John Dickson Carr's famous detective trio - turn their hands to a set of sinister puzzles in this exciting new collection. Sir Henry Merrivale growls and prowls through a maze of mystery - with death at the end. Dr. Fell traps an incautious burglar and an invisible murderer. Colonel March of the Department of Queer Complaints finds a vanishing fiancé and a murderous ghost. And espionage and assassins spark two tales of international intrigue to round out this feast for fans of mystery and suspense at its best.