All aboard for The Train of Dark Wonders! The second book in the magical must-read middle-grade series.

Bess can't wait to see her friends from the Train of Dark Wonders and head off on another adventure together. But she has her duties as owner of the Odditorium to think about. Most importantly, the gateway to other worlds needs a new animal guard and it's her job to find one.

When the train stops by on route to The Land of Cursed Creatures, Bess hops on board. Here, she encounters zombie ducks, haunted lobsters and poisonous swans. She also hears tales of the most mysterious and secretive creature of all - the cursed unicorn.

As creatures begin to go missing, Bess and the gang set out on a daring rescue mission, venturing deep into a land of living nightmares...