An atmospheric, intricately plotted new mystery in which Sherlock Holmes and Henry Vernier race to catch a villainous murderer at large in the Vatican and Rome. Sherlock Holmes and Henry Vernier are visiting Rome on a diplomatic mission when the Pope asks the world's greatest detective to help find a stolen relic: the forefinger of "doubting" Saint Thomas. But when the relic is quickly and mysteriously returned, and all seems to be easily...