SERIES HUB · SPOILER-LIGHT
Sherlock Holmes books in order
Two authorised novels and shorter Holmes cases written with affectionate attention to Watson's voice and Conan Doyle's machinery.

Recommended starting point
Begin with The House of Silk for Horowitz's first authorised Holmes novel; the short stories can be sampled independently.
Publication order vs chronology
Read the two novels in publication order; the separately published short cases stand alone.
Prequels, origins & interstitials
The Three Monarchs and The Adventure of the Seven Christmas Cards are short fiction, not third and fourth novels.
Series status
Two authorised novels and two separately listed short works are shown; no future work is presumed.
Themes & recurring ideas
Reason, concealment, justice, friendship, institutional power and the moral burden of truths too dangerous to publish.
Locations & organisations
Victorian London, Baker Street, Scotland Yard and the wider Holmes world inherited from Arthur Conan Doyle.
The House of Silk
2011 · NovelThe first new Sherlock Holmes novel authorised by the Conan Doyle Estate: Watson records a case too shocking to reveal in his lifetime.
Moriarty
2014 · NovelIn the dangerous vacuum after Reichenbach, a Pinkerton agent and a Scotland Yard inspector confront a new criminal mastermind.
The Three Monarchs
2014 · Short storyA separately published Sherlock Holmes ebook in which a curious set of three monarchs draws Holmes and Watson into another compact puzzle.
The Adventure of the Seven Christmas Cards
2020 · Short storyA Christmas Holmes story first serialised in three Daily Mail instalments, following Holmes and Watson through a trail of seven cards.
Publication timeline
Spoiler-free FAQ
Where should I start?
Begin with The House of Silk for Horowitz's first authorised Holmes novel; the short stories can be sampled independently.
Do I need to read in order?
Read the two novels in publication order; the separately published short cases stand alone.
Is the series complete?
Two authorised novels and two separately listed short works are shown; no future work is presumed.
Continuity FAQ — reveal spoiler-marked guidance
What belongs to the main sequence?
The Three Monarchs and The Adventure of the Seven Christmas Cards are short fiction, not third and fourth novels.
Does story chronology differ from publication order?
Read the two novels in publication order; the separately published short cases stand alone.
Warning: follow the individual book pages' ending controls before reading solution-level discussion.
Sources
Order, format and publication year use the source links on each permanent book page.

