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Longitudes Edge

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Book Three of the Nicholas Cruwys Naval Series

This book continues the voyages and career of Nicholas Cruwys begun in Soundings Edge and Latitudes Edge.
Preliminary peace negotiations have begun in Paris in January 1783 to formally end the global contest that began with the American war of independence, with the terms of peace hanging in the balance. Nicholas Cruwys finds himself temporarily outside naval service, commanding the East India Company ship Ganges on a mission that exists in the shadows between commerce and warfare. Ganges must intercept the heavily armed French merchant vessel Espérance, which has sailed from France for the Far East with a mission to disrupt the China trade that helps sustain Britain's eastern empire.
What begins as a straightforward chase evolves into something far more complex as Nicholas encounters allies whose methods challenge his understanding of honourable warfare, and enemies whose ambitions extend beyond simple commercial rivalry. In ports where East meets West and ancient traditions clash with European interests, he must navigate not only coral reefs and monsoon weather, but the moral complexities of service in waters where survival often demands choices that no regular naval service could anticipate.
When circumstances force a decision that will carry Ganges and her crew into the most dangerous waters on earth, Nicholas faces the ultimate test of command. Some voyages change not only the men who make them, but the very understanding of what duty means when honour and necessity collide.
The third volume in the Nicholas Cruwys series combines authentic period detail with the timeless challenges of leadership under extraordinary circumstances. Based on extensive historical research, it brings to life an age when the furthest reaches of empire demanded everything from those bold enough to venture beyond the edge of the known world.
For readers of Patrick O'Brian, C.S. Forester, and Richard Woodman.

430 pages, Kindle Edition

Published July 12, 2025

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About the author

Adrian Westbrooke

33 books28 followers
Adrian Westbrooke has long been a student of the sea and of the men and ships that sailed it. His interest in the great age of sail led him into naval history — the voyages of discovery and the long wars that set the Royal Navy against the fleets of France, Spain, and Holland. An experienced offshore and cruising sailor, he brings to his work both a lifetime of reading and a sailor's own feel for wind, weather, and the rhythms of life under sail, even if on a far smaller scale than the great ships of the line. His writing pays close attention to seamanship, gunnery, and life ashore, giving readers as clear a picture of that vanished world as we can reasonably hope for today.

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5 stars
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Displaying 1 - 14 of 14 reviews
310 reviews4 followers
December 4, 2025
Only 2 of these books left!!!!! That is terrible!!!!!

I have not been this eager to read/not finish a series in so long..... This author has made a devoted follower of me. He has a way with words that mesmerises me. I do hope he is an English teacher somewhere. Makes me think of Mrs. Jones in high school.....
374 reviews
September 23, 2025
Brilliant

A real pleasure to read this series of novels,that is somewhat different to the normal run of the mill naval novel . They have it all,read the full series and enjoy.
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254 reviews
December 21, 2025
The Far Side of the World

We rejoin Commander Cruwys for a voyage to China for the special ops crowd (of course this term didn’t exist in the 1780’s). His mission is to thwart French commercial activities, intercepting a frigate with a specially enhanced East Indiaman that’s armed like a frigate, but larger. He has sponsorship from both the East India Company and the Admiralty. He quickly gets involved in the tangle of players, the Hong, the EIC, and the French Navy and spy service. We get to see some of the decadent, but still powerful, Imperial Chinese Empire, a rival Vietnamese kingdom, and the Portuguese empire remnants represented by his mentor, Capt. Silva. It’s a complex plot with lots of naval action and shore intrigue. Sometimes there’s too much explication of the political currents, but it’s a fast read anyway.
While there’s quite a lot of romance too, I was a little put off by the fact Capt. Crruwys has dalliances with local women even though he has a relationship with Catherine who’s waiting back in England, but of course that’s true to the period and much less objectionable than politically correct relationships that are too modern.
10 reviews
December 1, 2025
I have a feeling that this book was created by an AI bot versus a flesh and blood author. Why? 1. Per Amazon this author has published 5 novels this year!
2. Within one novel, there are a number of verbatim duplicate, long, descriptive passages.
3. Some of plot constructs are presented a number of times within the same book.
4. There are a number of inconsistencies in nautical word usage: ie; time of day being given common place hour/minutes and other times expressed within the nautically correct framework of watches. Also bearings are alternating expressed as either points or degrees relative to bow or stern. Degrees were not used during the time period of the novels. Still enjoyed the yarns!
178 reviews1 follower
January 9, 2026
reality

I have enjoyed the adventures of Nicholas to this point. A few things in the storyline still are not correct in my opinion. Only once was Opium mentioned in regards to the China trade with the East Indies Company only the Tea trade was emphasized. I believe from the many books I have read indicated that the Opium trade with China was the major product even though it was deemed illegal by the Chinese. The Opium was grown mainly in India and sold in China.
832 reviews2 followers
January 3, 2026
A cut above the typical “Age of Sail” adventure.

The characters and plot of this series continues to provide excellent insights into the European nautical world prior to the Napoleonic Era. The expansion of incipient future empires required significant seaborne intervention, civilian as well as official naval ships and crews.
182 reviews1 follower
February 2, 2026
Longitudes Edge

Wonderful writing and stirring episodes and experiences in the life of Nicholas Cruwys out in the far east and China as we can now expect.
The history of the time I find fascinating with so many countries all vying for the same trade but England remaining at the epicentre. A thoroughly enjoyable read.
22 reviews2 followers
February 21, 2026
westbrooke weaves good tale

I am enjoying this series. There’s action and intrigue and much different than the series that follow a career. My one knock is that it seems sometimes that Westbrook is being paid by the word. Descriptions of this or that background or person, a dress, a beard. It gets tiresome.
3 reviews
April 20, 2026
Book 3 review

Comparable to O'Brien's historical fiction. I learned new words and geography of the Pacific. I visited the Polynesian islands last year on a cruise and can attest to the beauty and culture though Tahiti now is not so pristine. Enjoyed author's style of writing and traits the assigned to Cruwys.
38 reviews
June 7, 2026
Action, Adventure, Intrigue

Another great installment in the Cruwys series. Cruwys is thoroughly like-able lead with skill, courage and talent galore. But his honor is what defines him. I have thoroughly enjoyed this series, now on book iv after just 2 mos
3 reviews
March 18, 2026
Excellent writer. This series is fantastic. Very difficult to put down. This would br s great Netflix series after i read the complete series.
7 reviews
April 4, 2026
Great read

A very good insight to the world of a sea going trader and naval officer and an interning story of China
1 review
May 10, 2026
an intriguing well thought out book

I really am enjoying this series. Thank you. I love historical novels that bring a different age to life and adventure
7 reviews
June 4, 2026
detailed

A story full of 18th century details and texture. I have enjoyed the first three books in the series, and will read the next.
Displaying 1 - 14 of 14 reviews