What could be more thrilling than a family trip across the globe? How about a spur-of-the-moment mystery at the 2014 Winter Olympics in Sochi, Russia? The newest addition to the popular Around the World in 80 Mysteries series, The Mystery of the Onion Domes (Russia) takes readers on an awe-inspiring and action-packed adventure complete with thrills, chills, and bobsled spills! Super-sleuth siblings Christina and Grant get the chance to take the trip of a lifetime to Russia to tour the country and witness the Winter Olympics. But their travel plans go haywire from the start with the arrival of a mysterious doll containing a nasty note that proves to be a clue. When their grandparents get separated from them on a speeding train, the grand tour goes from entertaining to unnerving. What on earth could the "Great Bear" have in store for them now?