Travelogues:
* The Rivers Ran East: A classic adventure story about Clark's journey across the Himalayas.
* The Greatest Trek: An account of Clark's trek to the Himalayas, covering the challenging journey through the region.
* The Desert and the Stars: A journey through the deserts of Arabia.
* The Road to Samarkand: A journey through Central Asia.
* The Sunken Road: A travelogue focused on the Silk Road.
* The Rivers Ran West: A sequel to "The Rivers Ran East" that recounts Clark's journey back from the Himalayas.
Other works:
* The Golden Age of Travel: A collection of essays about travel.
* The History of the Silk Road: A comprehensive history of the famous trade route.
* The Complete Works of Leonard Clark: A multi-volume collection of Clark's writings.
Clark also wrote for various magazines and newspapers, and his work has been translated into many languages. He was a respected figure in the world of travel writing, and his books continue to be popular today.
If you're interested in learning more about Leonard Clark's work, I suggest you check out his Wikipedia page or browse online booksellers for his books.