Notes

242 pages, illustrations
Summary: Harrison Beck and Uncle Nat climb aboard the night train to Narvik, travelling to the Arctic Circle to see the Northern Lights. But, as their train leaves Stockholm, Hal and Uncle Nat realize they're being followed, and Hal's powers of observation are tested when Uncle Nat's past comes back to haunt him. Journeying into the never-ending night of the Arctic winter, our railway detectives must outsmart an assassin in their most tense adventure yet.