📖 About Hardcastle

Hardcastle is a series universe written by Graham Ison. The complete collection runs to 16 books across 1 series, published between 2004 and 2021.

The main series is Publication Order of Hardcastle Books with 16 books. It opens with Hardcastle's Spy (2004) and currently runs to Hardcastle's Secret Agent (2021).

Series included on this page:

🎯 Where to Start with Hardcastle

New readers should begin with the first book of the main series in publication order: Hardcastle's Spy (2004), book 1 of Publication Order of Hardcastle Books. Reading in publication order lets the world and characters develop the way the author intended, and it avoids spoilers that later books may contain.

Each of the 1 series on this page is expandable — click a series heading to see every title it contains, in order, with a direct link to buy the book on Amazon.

📚 Hardcastle Books in Order

Publication Order of Hardcastle Books
16 books
1
Hardcastle's Spy book cover1Hardcastle's Spy2004Buy on Amazon
Hardcastle's Armistice book cover2Hardcastle's Armistice2005Buy on Amazon
Hardcastle's Conspiracy book cover3Hardcastle's Conspiracy2005Buy on Amazon
Hardcastle's Airmen book cover4Hardcastle's Airmen2006Buy on Amazon
Hardcastle's Actress book cover5Hardcastle's Actress2007Buy on Amazon
Hardcastle's Burglar book cover6Hardcastle's Burglar2008Buy on Amazon
Hardcastle's Mandarin book cover7Hardcastle's Mandarin2009Buy on Amazon
Hardcastle's Soldiers book cover8Hardcastle's Soldiers2010Buy on Amazon
Hardcastle's Obsession book cover9Hardcastle's Obsession2011Buy on Amazon
Hardcastle's Frustration book cover10Hardcastle's Frustration2012Buy on Amazon
Hardcastle's Traitors book cover11Hardcastle's Traitors2013Buy on Amazon
Hardcastle's Quartet book cover12Hardcastle's Quartet2014Buy on Amazon
Hardcastle's Collector book cover13Hardcastle's Collector2016Buy on Amazon
Hardcastle's Runaway book cover14Hardcastle's Runaway2017Buy on Amazon
Hardcastle's Quandary book cover15Hardcastle's Quandary2019Buy on Amazon
Hardcastle's Secret Agent book cover16Hardcastle's Secret Agent2021Buy on Amazon

❓ Frequently Asked Questions

How many Hardcastle books are there?
There are 16 books in the Hardcastle collection, organised into 1 series and published between 2004 and 2021.
What is the first Hardcastle book?
The first book is Hardcastle's Spy, published in 2004.
What order should I read the Hardcastle books in?
Most readers use publication order, which is the order the books were originally released. A chronological order is also provided on this page for readers who prefer to follow the internal timeline of the story.
Who wrote the Hardcastle books?
The Hardcastle books were written by Graham Ison.
Is the Hardcastle series finished?
The main series, Publication Order of Hardcastle Books, has 16 books so far. The most recent title listed on this page gives the current end point of the series.
When did the Hardcastle series start?
The earliest title in this collection was published in 2004, and the most recent in 2021.