There are 7 books in the Newbury & Hobbes Investigations series. The newest book is The Undying which came out in 2019.

1
The Affinity Bridge

Book cover of The Affinity Bridge

Get ready to follow dazzling young writer George Mann to a London unlike any you've ever seen and into an adventure you will never forget, in The Affinity Bridge.

Welcome to the bizarre and dangerous world of Victorian London, a city teetering on the edge of revolution. Its people are…

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2
The Osiris Ritual

Book cover of The Osiris Ritual
When your boss is the Queen of England, you never know what the day will bring. For Gentleman Investigator for the Crown, Sir Maurice Newbury, it is likely to involve rooftop chases, sword fights, races through the Underground, and the most terrifying case of murders to ever plague London.When an…

3
The Immorality Engine

Book cover of The Immorality Engine
On the surface, life is going well for Victorian special agent Sir Maurice Newbury, who has brilliantly solved several nigh-impossible cases for Queen Victoria with his indomitable assistant, Miss Veronica Hobbes, by his side. But these facts haven’t stopped Newbury from succumbing increasingly frequently to his dire flirtation with the…

4
The Executioner's Heart

Book cover of The Executioner's Heart

In Executioner's Heart--the fourth Newbury & Hobbes steampunk mystery from George Mann--the detectives are up against the most frightening villainess England has yet seen.

It's normal for Charles Bainbridge, Chief Inspector of Scotland Yard, to be called to the scene of a crime, but this is the third murder in…

5
The Revenant Express

Book cover of The Revenant Express
Following their bloody encounter with the Executioner, Sir Maurice Newbury's assistant Veronica Hobbes is close to death. Desperate to save her life, Newbury and Veronica's sister Amelia board a sleeper train bound for St. Petersburg, in the hope that Gustav Faberge might have the answer. But there are enemies on…

6
The Albion Initiative

The Albion Initiative
George Mann's Newbury & Hobbes steampunk mystery series concludes in this thrilling final volume as our Victorian special agent heroes discover a grand plot to that threatens the state of the world.

The time has finally come.

Queen Victoria has given the order for her agents to move against the…

7
The Undying

By George Mann , Dan Boultwood (illustrator),

Book cover of The Undying
Supernatural steampunk adventures of detective duo, Sir Maurice Newbury and Miss Veronica Hobbes in dark and dangerous Victorian London. Welcome to the bizarre and dangerous world of Victorian London, a city teetering on the edge of revolution. Airships soar in the skies over the city, ground trains rumble through the…