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
Lost in Paradise (song) ballad "Lost In Paradise", where her breathy vocals in the beginning awaken as she passionately apologizes for not sticking with the guy who believed in her." "Digital Spy"s Lewis Corner said that the song "continues the trend as a black-eyed rock ballad of towering string sections and lyrics of despair and heartbreak." "Billboard" magazine's Christa Titus wrote that Lee's voice was "powerful and flexible as ever" in "the deep croons that introduce 'Lost in Paradise'." A more mixed review for the song was given by Marc Hirsh of "The Boston Globe" who wrote that the slow tempo of the song