Here are a few websites you might find of interest.
http://www.amazon.com/dp/1616142413
Twelve is available at your local Amazon store.
http://www.amazon.com/dp/1616142537
Thirteen Years Later is available on Amazon.
http://www.amazon.com/dp/1616145315
You can but the third instalment of The Danilov Quintet here.
http://www.facebook.com/home.php?#/pages/Jasper-Kent/46286285971
If you're a fan of my books, or would like to be one, have a look at the fan page on Facebook.
http://twitter.com/#!/LastOprichnik
You keep up with news and other announcements by following me on Twitter.
http://thelastoprichnik.blogspot.com/
Read Jasper's latest musings on his blog.
http://www.remember-remember.com
Aside from writing novels, I've also co-written a number of musicals, the latest being Remember! Remember!, the story of Guy Fawkes and the Gunpowder Plot. Click here to find out about the show.
http://www.johnjarrold.co.uk
This is the website of my hard-working agent, John Jarrold, so go here to find out about him and his other clients.
http://www.fancy-rats.co.uk
I love my rats. I haven't gone on about them too much here, but if you want to find out more about rats in general, have a look here.