The Outlander series is a global phenomenon which has captured audiences across the world with its tale of a time-travelling Sassenach. But, before it was made into a hugely popular show starring Caitriona Balfe and Sam Heughan, it was a bestselling series of books.
5. The Fiery Cross
The Fiery Cross is the fifth novel of the Outlander series, published in 2001. This book sees Claire and Jamie struggling amidst the turmoil of the looming American Revolutionary War. Photo: Outlander Starz
6. A Breath of Snow and Ashes
A Breath of Snow and Ashes is the sixth book in Diana Gabaldon's Outlander series. It's the book which the upcoming Season Six of the Outlander TV series is based on. Photo: Outlander Starz
7. An Echo in the Bone
An Echo in the Bone is the seventh book of the Outlander series, released in 2009. It returns to Jamie and Claire in the 18th Century, while Brianna and Roger are back in the 20th Century. Photo: Getty Images
8. Written In My Own Heart's Blood
Written In My Own Heart's Blood is the eighth book in the Outlander cannon, published in 2014. Switching between the 1770s and the 20th Century, the characters in this book face shipwrecks, kidnappings, and the Battle of Monmouth. Photo: Outlander Starz