James Hilton (novelist) picked "Lost Horizon" as its first title in 1939. For that reason, the novel is frequently called the book that began the "paperback revolution." Hilton is said to have been inspired to write "Lost Horizon", and to invent "Shangri-La" by reading the "National Geographic Magazine" articles of Joseph Rock, an Austrian-American botanist and ethnologist exploring the southwestern Chinese provinces and Tibetan borderlands. Still living in Britain at the time, Hilton was perhaps influenced by the Tibetan travel articles of early travellers in Tibet whose writings were found in the British Library. Christian Zeeman, the Danish father of the mathematician Christopher
Paradise Lost: Shadows and Wings and leads them back to Paradise for "War." In the culminating battle, Logos accidentally stabs Extasis, and she dies in his arms. At one point in the story, the Choir of Angels performed a version of "Lux Aurumque" with modified lyrics. The Carnegie Hall performance on June 15, 2010 included a greatly altered story (Logos and Extasis are now lovers, not brother and sister, more choral singing, and was produced as a one act concert). Paradise Lost: Shadows and Wings Paradise Lost: Shadows and Wings is a musical work of theatre, with music by composer Eric Whitacre, lyrics by Whitacre