James began writing in the summer of 2013, and self-published his debut novel, True Conviction, in February 2014. It was very well received, and has been downloaded over 250,000 times since its release. His Adrian Hell series has gone on to be downloaded over half a million times, with each entry topping the Amazon charts.

His Adrian Hell character has become a popular figure in the thriller genre, mainly due to James' style of writing, which puts the reader inside the head of the charismatic assassin, so they experience his thoughts and see what he sees in real time - something you rarely see in mainstream thriller fiction.

"I believe a story is only as good as its characters. If the reader doesn't connect with the main character, they're not going to care what they do, so the story becomes irrelevant." - James P. Sumner

In 2015, James' fifth novel, A Necessary Kill, was selected as the winner of Amazon's Kindle Scout program, and was subsequently published by Kindle Press. It quickly became his most successful novel, and was briefly the most downloaded eBook in the world. This book changed his life, and his career as an author, allowing him to make the switch from part-time to full-time.

In 2017, James won two ATAI awards for his seventh Adrian Hell novel, Thicker Than Blood - Best Thriller and Best General Fiction.


In September 2018, James embarked on a large-scale project never seen before in the thriller fiction genre - an inter-connected story world dubbed the ThrillerverseSet in the world shaped by the events of the first seven Adrian Hell novels, James released Crossfire, the first novel in his new GlobaTech series, that would both stand on its own merits, but also be subtly interwoven with Adrian's continued adventures, and the stories of future projects.

"I've been a fan of comic books since I was a kid, and my writing style has been heavily influenced by the method of storytelling you see in comics and graphic novels. Naturally, I'm a huge fan of the Avengers movies, and the MCU in general. When I was coming up with ideas for new characters and new series, I had an epiphany. Instead of struggling to create new worlds for these stories, why not set them in the world I already have? The Thrillerverse is my own MCU, and I hope that in years to come, my own Avengers-style story will prove as popular as the movie did!" - James P. Sumner

The first entry in his Thrillerverse, Crossfire, was well received, and a prequel novel to the featured characters is due for release in early 2019. And this is just the beginning. With two new series in the works, plus more Adrian Hell and GlobaTech novels planned, James' groundbreaking concept is just getting started!

Crossfire - A GlobaTech thriller


There are a few ways to support James and his writing, in additional to simply buying his books. The first way is easy: word of mouth. If you enjoy his books, tell your friends. If you see a post or an advert on social media, take a moment to Like and Share it. These small gestures make a big difference!

You can also buy James a digital coffee, by clicking the first link to the left. This sends him a one-off gift of $3 (roughly the price of a coffee), which will help motivate him and support him while he is writing.

Finally, you have the option of becoming an official Patron of his work. For a minimum of $1 per month (or more), you will contribute to his business in exchange for receiving free digital copies of his new releases for as long as you remain a Patron. To find out more, click the second link to the left.

(c) 2013-2019 James P. Sumner.