The affair of the mysterious letter
by Alexis J. Hall

A fantasy tale inspired by Sherlock Holmes finds multi-universe war soldier John Wyndham taking lodging in the home of lesbian sorceress Miss Shaharazad Haas, who draws him into a blackmail case against one of her former lovers. 

Echoes of Sherlock Holmes : stories inspired by the Holmes canon
by Laurie R King

A follow-up to In the Company of Sherlock Holmes includes contributions by popular authors whose work inside and outside of the mystery genre has been influenced by Sir Arthur Conan Doyle.

The beekeeper's apprentice : or, On the segregation of the queen
by Laurie R. King

Featuring a new preface, a rerelease of a debut entry in the series that introduced Sherlock Holmes's protégée Mary Russell finds her partnering the master detective in Wales, where they search for the kidnapped daughter of an American senator.

Enola Holmes and the black barouche
by Nancy Springer

The younger sister of Sherlock Holmes, Enola Holmes needs help from her brother to investigate the Earl of Dunhench, whose wives, including their client’s sister, have met their demise under mysterious circumstances. 

The Mammoth book of Sherlock Holmes abroad
by Simon Clark

In this anthology of new stories, Sherlock Holmes travels to the far ends of the Earth in search of truth and justice. A host of writers, while remaining respectful towards Conan Doyle's work, present a new and thrilling dimension to Holmes's career.

Mycroft Holmes : a novel
by Kareem Abdul-Jabbar

Co-written by the NBA All-Star, an original novel starring the enigmatic brother of Sherlock Holmes follows the early partnership between Mycroft, a rising star in the government; and his best friend, Cyrus Douglas; as they investigate a series of murders in Trinidad.

The scientific Sherlock Holmes : cracking the case with science and forensics
by James F. O'Brien

In The Scientific Sherlock Holmes, James O'Brien provides an in-depth look at Holmes's use of science in his investigations. Indeed, one reason for Holmes's appeal is his frequent use of the scientific method and the vast scientific knowledge which he drew upon to solve mysteries.

Sherlock Holmes & the three winter terrors
by James Lovegrove

Sherlock Holmes investigates three chilling and strangely linked crimes that test his deductive powers, and his scepticism about the supernatural, to the limit.

The strange case of the alchemist's daughter
by Theodora Goss

Alone and penniless, Mary Jekyll hunts for her father’s killer, a former friend named Edward Hyde, along with help from Sherlock Holmes and Dr. Watson resulting in the discovery of a secret society of immoral and power-crazed scientists.

A study in Charlotte : a Charlotte Holmes novel
by Brittany Cavallaro

Rival teens Charlotte and Jamie, descendants of Sherlock Holmes and John Watson, investigate the mystery of why they are being framed for murder at their American boarding school.

A study in emerald
by Rafael Albuquerque

A graphic novel adaptation of the Hugo Award-winning short story is set in the world of Sherlock Holmes and Lovecraft's Cthulhu Mythos and finds the brilliant detective tracking a murderer from the Whitechapel slums to the Queen's Palace.

A study in honor
by Claire O'Dell

Homeless and jobless after being dishonorably discharged during the New Civil War, Dr. Janet Watson returns to Washington, D.C., where she is offered a place to stay by mysterious covert agent Sara Holmes. 

A study in scarlet women
by Sherry Thomas

When Victorian London is struck by a trio of unexpected deaths and suspicion falls on her sister and her father, Charlotte Holmes is desperate to find the true culprits and clear the family name. By the USA Today best-selling author of My Beautiful Enemy.