Join Harrison Beck and Uncle Nat on their thrilling sixth adventure as they climb aboard the night train to Narvik, travelling to the Arctic Circle to see the northern lights for Christmas.

M.G. Leonard has made up stories since she was a girl, but back then adults called them lies or tall tales and she didn't write them down. As a grown up, her favourite things to create stories about are beetles, birds, and trains. Her books have been translated into over forty languages and won many awards. She is the vice president of the insect charity Buglife, and a founding author of Authors4Oceans. She lives in Brighton with her husband, two sons, a dog called Nell, and a variety of exotic beetles.

Sam Sedgman is a novelist, playwright and award-winning digital producer. His work has been performed internationally and shortlisted for the Courtyard Theatre award. With his friend M.G. Leonard, he wrote the bestselling Adventures on Trains series. The Highland Falcon Thief was Sam's first book for children. He lives in London and is a lifelong train and mystery enthusiast.

Elisa Paganelli was born in Italy and since childhood, hasn't been able to resist the smell of paper and pencils. She graduated from the European Institute of Design in Turn and worked in advertising, as well as running an award-winning design shop and studio. She now collaborates as a freelance designer with publishers and advertising agencies all over the world, including designing and illustrating The House With Chicken Legs and the Travels of Ermine series.