The third thrilling mystery in the number-one bestselling, award-winning Murder Most Unladylike series. Now with a brand-new introduction by the author, and a gorgeous, collectible new package with gold foil detail and sprayed edges. 'Robin Stevens is Agatha Christie for children' Katherine Rundell 'This is that rare thing: a series that gets better with every book' Telegraph Daisy Wells and Hazel Wong are taking a holiday on the world-famous Orient Express - and it's clear that each of their fellow first-class passengers has something to hide. During dinner, there is a scream from inside one of the cabins. When the door is broken down, a passenger is found murdered, her stunning ruby necklace gone. But the killer has vanished - as if into thin air. The Detective Society are faced with their first ever locked-room mystery - and with competition from several other sleuths, who are as determined to crack the case as they are . . . Discover the beloved murder mystery phenomenon that has sold over a million copies. 'Thrilling' Guardian 'Perfect' The Times 'A delight . . . Hazel and Daisy are aboard the Orient Express: cue spies, priceless jewels, a murder and seriously upgraded bun breaks' The Bookseller 'Addictive . . . A rumbustious reworking of Agatha Christie's Orient Express caper' New Statesman *Stock design may vary depending on availability*