Join Dan Prescott, an intrepid American adventurer, as he uncovers the enchanting hidden valley of Sobul in the rugged mountains of Afghanistan. Here, he encounters the extraordinary Ibandru, a mystical race of winged people. Captivated by Yasma, one of the Ibandru, Dan finds love and joy as they unite in a vibrant celebration of their marriage. However, as autumn approaches, the Ibandru prepare to migrate south with the birds for the winter, taking Yasma with them. Stanley Coblentzs Lost World fantasy has left a lasting impact, celebrated in its reprinting as the 23rd volume of the esteemed Newcastle Forgotten Fantasy series in 1980. - Summary by Adapted from Wikipedia