The apparition of a lady dressed in white and long thought dead, a deadly and shadowy form that wreaks terror on the heath, and a figure from the past who has accrued the power to commune with the dead! Here is collection of cases, some new, together with a few old favorites which sorely test Holmes' long-held beliefs to their very limits!

Matthew Bartholomew, unorthodox but effective physician to Michaelhouse college in medieval Cambridge, is as worried as anyone about the pestilence that is ravaging Europe and seems to be approaching England. But he is distracted by the sudden and inexplicable death of the Master of Michaelhouse - a death the University authorities do not want investigated.

Lacy Purdy loves her new town, her new job, and her old cat, Meatball. And she loves to run. This summer, she'll be running for her life. A phantom lurks in the shadows of Run For It, the local running store, terrorizing an unpopular run group leader with an arsenal of sharp, shiny scissors. Lacy can't stand mean-girl Marlene and everybody knows it, so when she mysteriously disappears in the middle of a run, Lacy suspects foul play. Everyone else suspects Lacy.

More tales from the dispatch box of Doctor John Watson. These 10 stories have appeared previously in various volumes of The MX Book of New Sherlock Holmes Stories and other anthologies. They come together as a collection for the first time.

When Mrs. Hudson asks Holmes and Watson to find a missing girl, neither men expected what they would find. Along with Lestrade, they are plunged into a case of abduction and murder. As they race from Marylebone, to Finchley, to Wapping, and back again, time is running out for them to solve the case without further casualties. With two of their own under threat, the pressure is mounting to catch and stop the group known as "Hellfire Heirs".

In the year 1908, Holmes believed himself to be in retirement. Watson was once again in private practice and unwed. Mrs. Hudson had gone to Sussex to act as Holmes's housekeeper. But the fates had agreed that Martha Hudson and John Watson should be together. Or had they? When Dr. Watson proposes to Martha Hudson, it sets off a series of events that only Sherlock Holmes can deal with. Watson has already had three wives—all have died under unfortunate circumstances. Colm Campbell, Martha Hudson's nephew, thinks there is more here than meets the eye.

This is the fourth story from The Art of Sherlock Holmes project and first appeared in The MX Book of New Sherlock Holmes Stories, Part V.

In real life, 221B Baker Street is the home of a bank. When fans send letters to Sherlock Holmes, bank employee Addy Zhuang, known as "Sherlock's Secretary," replies. One day, the bank is robbed, but the thieves only take three letters addressed to Sherlock Holmes. The police conclude it was all a harmless prank, but Addy suspects something more malicious is happening.

When misadventure led a schoolboy in London to employment at Baker Street, few could have guessed where his introduction to Sherlock Holmes would lead. But as the lad matures and he finds himself caught in the middle of a murder investigation, his friendship with Holmes and Watson lures him into the role of detective. 'Billy' documents his experiences, and soon his sleuthing skills not only bring him to another murder, but also lay the foundation for his metamorphosis into a famous mystery writer.

On the eve of Newgate Prison's demolition, Watson spies Holmes leaving a public sale of the prison's miscellany in the company of a beautiful stranger, and in possession of an unusual trophy–the death mask of a woman who, more than 20 years earlier, had been executed for the murder of her three children. Holmes agrees to satisfy Watson's curiosity about the memento by recounting the decades-old history of its subject.

From some clear pieces of glass and a raven's feather, the great detective must divine exactly who the client was and what prompted him to seek assistance at 221B. Fortunately, Holmes has a number of experts upon whom he can rely as well as his own vast store of esoteric knowledge. Treading a twisted path, Holmes soon finds himself matching wits with an unseen criminal, who appears to be the equal of the late Professor Moriarty. At the same time, he is tasked with sparing the monarchy any possible embarrassment that may stem from the investigation.

Seventeen-year-old Haley McWaid is a good girl, the pride of her suburban New Jersey family, captain of the lacrosse team, headed off to college next year with all the hopes and dreams her doting parents can pin on her. Which is why, when her mother wakes one morning to find that Haley never came home the night before, and three months quickly pass without word from the girl, the community assumes the worst.

He’s the Man With No Name and the owner of No Alibis, a mystery bookshop in Belfast. But when a detective agency next door goes bust, the agency’s clients start calling into his shop asking him to solve their cases. It’s not as if there’s any danger involved. It’s an easy way to sell books to his gullible customers and Alison, the beautiful girl in the jewellery shop across the road, will surely be impressed. Except she’s not – because she can see the bigger picture.

This is the startling question that Jeff Cody and his wife, Lynda, hear during a wedding reception on the first night of the QueenCon mystery conference in Cincinnati. Not only are the whispered words unnerving, there is no one nearby to have spoken them.

Widowed van driver Bob Naylor is prodded into joining the Chichester Writers' Circle by his teenage daughter. Bob writes limericks and jingles, and fears he will be out of his class amongst the literati. But the members of the circle come from all walks of life and practice many forms of writing, from fantasy to household hints. There seems to be nothing about any of them to incite a serial killer. However, there is an arsonist in their midst, burning his victims to death, and Bob becomes a suspect.