When Monisha Rajesh announced plans to circumnavigate the globe in eighty train journeys, she was met with wide-eyed disbelief. But it wasn't long before she was carefully plotting a route that would cover 45,000 miles - almost twice the circumference of the earth - coasting along the world's most remarkable railways; from the cloud-skimming heights of Tibet's Qinghai railway to silk-sheeted splendour on the Venice Simplon-Orient-Express. A celebration of the glory of train travel.