Secrets of the Dragon Wheel 

Epiphany O'Day's superiors think her wild theories on the ancient and mysterious Dragon Wheel are pure fantasy. But her mentor, Professor Lunn has used her careful research to unlock dark forces and needs her help. Now she must sneak on to the Imperial Majestic, a luxurious and very dangerous royal train destined for an epic journey from Europe into the darkest reaches of the Far East. She must use every ounce of her wits, bravery and deep knowledge of the Dragon Wheel to stop the murder and mayhem in its tracks.