All aboard for a chilling Christmas mystery as the bestselling Adventures on Trains series steams into the Arctic Circle!

Harrison Beck and Uncle Nat climb aboard the night train to Narvik, hoping to catch a glimpse of the northern lights. But as their train leaves Stockholm, they realize they're being followed by a sinister figure. With Uncle Nat's past coming back to haunt him, Hal must put his powers of observation to the test in their most thrilling adventure yet.

Journeying into the never-ending night of the Arctic winter, our railway detectives find themselves on a heart-stopping quest to outsmart an assassin. In a world where nothing is as it seems, will Hal uncover the truth before it's too late?

The Arctic Railway Assassin is the sixth instalment in the award-winning Adventures on Trains series by M. G. Leonard and Sam Sedgman. This enthralling mystery can be enjoyed as a standalone novel or as part of the captivating series that includes Murder on the Safari Star, Danger at Dead Man's Pass, and Sabotage on the Solar Express.

Praise for the series:

'A thrilling and hugely entertaining adventure story' – David Walliams on The Highland Falcon Thief

'A first-class choo-choo-dunnit!' – David Solomons on Kidnap on the California Comet

'A high-speed train journey worth catching . . . The best yet' – The Times on Murder on the Safari Star