He travels from London, through Europe on the Orient Express and then through Turkey, Turkmenistan, India, Sri Lanka, Vietnam, and Japan before making his way home on the Trans-Siberian Railway.
In his trip, Theroux encounters beauty and kindness but also various troubling and dysfunctional countries, plagued by poverty, over-crowding, dictators, government control and oppression.
This book is similar in concept to the Dark Star Safari, his account of returning to see how Africa had changed, in the long interval since his time of living and working there while an early member of the Peace Corps.
In Istanbul, Turkey, Theroux encounters writer and Nobel Prize in Literature recipient Orhan Pamuk.
Haruki Murakami, Japan's most widely read author, spends several days with Theroux, guiding him around various Japanese cities and landmarks.