The definitive list of all things Jonty and Orlando. (There are several free stories featuring them on my free stories page.)
Jonty Stewart
Blond, blue eyed, gregarious expert in Tudor literature and fellow of St. Bride’s. Son of a Lord, with family connections cropping up everywhere, but his past hides a disturbing secret. He’d love to share his theories on the sonnets. Jonty Stewart’s thoughts on Shakespeare’s sonnets.
Orlando Coppersmith
Tall, dark and introverted, this mathematical genius is slowly being brought out of his shell. Loves liquorice. Hates Sherlock Holmes.
Here’s the latest Cambridge Fellows novella, Lessons in Keeping a Dangerous Promise (print and ebook).

The books in chronological order:
Lessons in Love (set November 1905) now relaunched by Lume with lovely new covers! Also in audio version.
Lesson in Desire (set August 1906) available from Lume.
Lessons in Discovery (set November 1906) published by Lume.
Lessons in Power (set Spring 1907) available from Lume.
Lessons in Temptation (set July 1907) also published by Lume.
Lessons in Seduction (set September 1907) available from Lume
Lessons in Trust Summer 1908 – from Lume
Lessons for Suspicious Minds (set Summer 1909) published by Lume.
Lessons for Idle Tongues (set Summer 1910) available from Lume.
Lessons in Cracking the Deadly Code (set February 1911)
Lessons in Playing a Murderous Tune (set summer 1911)
Lessons in Following a Poisonous Trail (set October 1911)
Lessons in Solving the Wrong Problem (set spring 1912)
Game of Chance (set 1916) – in the anthology Capital Crimes
All Lessons Learned (set Spring 1919) – from Lume.
Lessons for Survivors published by Lume (set autumn 1919)
Lessons for Sleeping Dogs 1921 from Lume (set 1921)
Lessons in Loving thy Murderous Neighbour. (set in 1922)
Lessons in Chasing the Wild Goose (set in 1922)
Lessons in Keeping a Dangerous Promise (set in 1923)
The Case of the Undiscovered Corpse (set in 1952)