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160 years after the disappearance of a promising young explorer, the discovery of his missing journals finally reveals the truth behind an extraordinary adventure

In 1850 young Scottish tree-hunter John Jeffrey is dispatched by an elite group of Victorian subscribers to seek highly-prized exotic tree species in North America. An early letter home tells of a 1200 mile transcontinental journey on foot. Later, tantalising botanical samples arrive from British Columbia, Oregon and California, yet early promise soon withers. Three years after setting out John Jeffrey disappears without a trace. Was he lost to love, violence or the Gold Rush?

The secrets of the extraordinary adventure lie in his precious journals which remained lost, until their discovery, 160 years later. Green Gold is a fictional biography based on a true story told by Gabriel Hemery, a contemporary tree-hunter, forest scientist and author of award-winning The New Sylva.

Gabriel Hemery is a tree-hunter, forest scientist and published author. He has undertaken an expedition to the walnut-fruit forests of Kyrgyzstan collecting walnut seeds, and has planted tens of thousands of trees in plantations and experimental trials across Britain. In 2009 he co-founded the environmental charity Sylva Foundation. Gabriel played a lead role in halting the disposal of England’s public forests in 2012. His first book The New Sylva was published to wide acclaim in 2014. He writes a popular tree and forestry blog at

Shasta Valley, California, 25th October 1852

I remember it was a big sky, and lonely of clouds, at it surely forewarned a sharp night. Therefore, I raised a modest fire and added an extra layer of springy branches under my bedroll as a spectacular red sun descended between two giant boulders before me. Thus prepared I drifted to sleep, lying with some satisfaction beneath the canopy of another fine specimen of the new pine I had discovered a day or two before. A myriad of stars flickered between its gently swaying branches.

Sometime later while wrapped tightly in a meagre blanket, my hat drawn deep down over my head, such was the cold, I was woken by a great weight upon my chest. It has been more than one month since I last enjoyed close human comfort and I became alert immediately.

Yet, before I could react a terrible pain lanced my cheek, and I found my face to be held in a foul stinking vice. Despite finding myself blind, and with one arm caught between blanket and beast, with the other I managed to strike out, my bare hand encountering solid fur-clad muscle. So short was the coat of my foe there was no handhold. I thought then that I was confronted, not by a Grizzly, but most likely a Mountain Lion. I raised my legs to grapple with its body and rolled over to one side. I felt the flesh on my face tear open as I felt for my gun. With the stock I aimed a blow blindly at its body and, on making satisfying contact, felt its jaws loosen. Yet still it did not retreat, its claws raking my body. I fought viciously with every limb and ounce of my strength for what seemed many minutes, but must have been mere seconds, before it fled. By the time I had torn the remains of the hat off my head, I managed to glimpse only its long tail disappearing between the two boulders where the sun had earlier retreated. Yet there it paused to turn and stare. I feared for a moment it was to return, its unblinking eyes reflecting two startling golden moons, yet it evidently decided that discretion was the better part of valour. With a turn of its head it was eclipsed by the night.


WoodWords 2018

Sunday, 13 May 2018

Woodwords2018 books

I'm looking forward to taking part in WoodWords 2018, run by Sylva Foundation, on the evening of 24th May. I'll be reading some extracts from Green Gold, and describing more of protagonist John Jeffrey's incredible feats and achievements. If you're interested in coming along it'd be great to meet you, and I'm sure you'll enjoy the great line up of authors. More information and tickets…

A special literary event and more botanical art

Friday, 9 March 2018

Nicola macartney douglas fir

I'll be taking part in a unique literary evening with Sylva Foundation on 24th May. I will be reading some extracts from Green Gold alongside talks from four other authors, featuring a wonderfully diverse range of books, all on the theme of trees and nature. The event will be held among the community of woodworkers at the Sylva Wood Centre in Oxfordshire. It's sure to be a special evening. Find…

Limited edition print now available

Tuesday, 9 January 2018

Jeffrey pine nicola macartney

We're pleased to release a new subscriber reward of a very special limited edition print.

Thanks to a collaboration with botanical artist Nicola Macartney, with links to Royal Botanic Gardens Edinburgh, we are able to offer 100 readers the chance to own a print of Nicola's latest work, depicting the Jeffrey pine (Pinus jeffreyi ). The species was discovered and collected by the protagonist…

Green Gold newsletter No.9

Sunday, 3 December 2017

Jeffrey pine nicola macartney

No.9 of my newsletter is now available, featuring stories linked to the creation of my historical novel: Green Gold - the lost journals of John Jeffrey.

Jeffrey pine (Pinus jeffreyi) painting in progress by Nicola Macartney

In this issue, a new extract from the book, more stunning botanical art by NicolaMacartney, how to gift a book patronage this Christmas, plus good news on…

Gift a book patronage

Monday, 16 October 2017

Dl book patron

Why not gift a book patronage this Christmas for a truly unique present. Every supporter will have their name listed inside the book.

Giving a book which doesn't yet exist

The one downside to the gift of a Green Gold book patronage is that the book doesn't yet exist (remember it's your support which will make it happen)! To help you give something physical to prove your endearing love…

Book extract: Lampreys, 15th June 1853

Saturday, 14 October 2017

800px boca de lamprea.1   aquarium finisterrae

An extract from John Jeffrey's lost journals

Lampreys, 15th June 1853

At Klamath Falls there was a great gathering of Indians, apparently from several tribes, given the varieties of costume and appearance on display. They were all there for a common purpose however; to gather lampreys.

The only lamprey I have seen in this country before now was firmly attached to the flanks of a large…

A new discovery

Monday, 25 September 2017

Tsuga nicolamacartney greengold

Following visits to the Royal Botanic Garden Edinburgh (RBGE) and Benmore Botanic Garden, collaborating botanical artist Nicola Macartney has started work on some painted sketches of western hemlock (Tsuga heterophylla) including foliage, cones and a small section of bark. These are the elements which she intends to include in the final painting.

John Jeffrey, the protagonist in GREEN GOLD…

Talk at Oxford Blackwells

Saturday, 16 September 2017

Eventbrite tickets logo

I'll be talking about GREEN GOLD at Oxford Blackwells on Friday 13th October (19:00-20:00).

The event is a 'pledge party' organised by the publishers Unbound, and I'll be keeping good company with five other Unbound authors offering short talks on an eclectic selection of topics. It promises to be an interesting evening.


Kalypso Nicolaidis – Exodus, Reckoning, Sacrifice: Three Meanings…

Stunning botanical art will help celebrate the life of John Jeffrey

Thursday, 27 July 2017

Pinus jeffreyi cone nicolamacartney

Drawing of the cone from a Jeffrey pine (Pinus jeffreyi) by Nicola Macartney.

Botanical artist Nicola Macartney and I are collaborating to help make an exhibition together at Royal Botanic Garden Edinburgh (RGBE) in 2018. Nicola is hunting for plant material associated with John Jeffrey, the main protaganist in GREEN GOLD. Some reward levels include an invitation to the exhibition and other…

Gifting a voice beyond the grave

Thursday, 22 June 2017

Johnjeffreyletter gabrielhemery

Now I've completed the draft of my first full-length novel—a work of historical fiction—I feel as though I travelled alongside my protagonist as he walked thousands of miles across North America in search of plants. Yet I went on a very real journey myself, learning about Victorian exploration, the wildernesses of North America, the Gold Rush, and Native Americans. Then further challenges came…

Collaborations with Royal Botanic Garden Edinburgh

Thursday, 1 June 2017

Rbge logo

Behind the scenes I've been collaborating closely with Royal Botanic Garden Edinburgh (RBGE) ever since starting work on GREEN GOLD.

Plant-hunter John Jeffrey, the main protagonist in Green Gold, was employed by RBGE, and his exploits managed by a newly formed group - the Oregon Botanical Association. I therefore relied on the archives of RBGE for my research as it holds many letters and the…

The extraordinary journey of John Jeffrey

Sunday, 14 May 2017

John Jeffrey, the main character in my latest book Green Gold, walked, paddled and rode at least 10,000 miles across North America while hunting for plants from 1850-4. During the two years I spent researching and writing the book I plotted his travels in detail and can now publish the route in full for the first time.

After sailing 2,600 nautical miles from London, via Stromness in the Orkney…

Jeffrey's shooting star

Friday, 5 May 2017

Dodecatheon jeffreyi gabrielhemery

In September 1852 young Scottish plant hunter John Jeffrey came across an attractive flowering plant in northern California. After samples were received by his sponsors at Royal Botanic Garden Edinburgh it was named in his honour.

Jeffrey's shooting star (Dodecatheon jeffreyi) is also known as Sierra shooting star or tall mountain shooting star. Its glowing pink flowers, which appear between…

Film released to mark book launch

Tuesday, 25 April 2017

I'm delighted to see my first book with Unbound Publishing launched.

It's taken two years of research and writing, interupted frequently by a busy day job, to reach this day yet I've enjoyed writing the story more than I ever imagined.

They say truth is stranger than fiction, and in the case of the true story of John Jeffrey I've learnt it's even more extraordinary too.

During the winter…

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