"The Mystery of the Blue Train" is an exciting detective novel by the famous British writer Agatha Christie. The main character, young and desperate Caroline Shipman, finds herself at the center of a scandalous murder while traveling on the blue train. During the flight, she encounters various mysterious characters, each with their own secrets and motives. The investigation of this mystery forces readers to experience incredible adventures, unravel intrigues and cross paths of destinies. "The Mystery of the Blue Train" is a fascinating piece that gives a sense of mystery and momentum until the very last line.