The Train Mystery Author Widmark, Martin Illustrator Willis, Helena Swedish title Tågmysteriet Series The Whodunit Detective Agency Category Children \ Fiction 6-9 Pub Date Sep 22, 2015 Format 96 pages, color illustrations, 148 x 210 mm On a fast moving train is a sack full of money, carefully watched by the chief inspector. But he can’t resist taking a nap - and somebody pulls the emergency brake. The money is missing! Lasse and Maja suspect that the thief is still on the train.