Lost world Arthur Gordon Pym of Nantucket" (1838) has certain lost world elements towards the end of the tale. James Hilton's "Lost Horizon" (1933) enjoyed popular success in using the genre as a takeoff for popular philosophy and social comment. It introduced the name Shangri-La, a meme for the idealization of the lost world as a paradise. Similar books where the inhabitants of the lost world are seen as superior to the outsiders, are Joseph O'Neill's "Land under England" (1935) and Douglas Valder Duff's "Jack Harding’s Quest" (1939). Hergé also explores the theme in his comics "The Seven Crystal Balls" and "Prisoners
Lost Horizon called the first American paperback book, when in fact paperbacks had been around since the mid-1800s. What made Pocket Book #1 of revolutionary importance was that it was the first "mass-market" paperback; mass market paperbacks allowed people of modest means not only to own books they otherwise could not afford but also to slip the paperback into their pocket for casual reading on the go, hence the name "Pocket Book". By the 1960s, Pocket Books alone, over the course of more than 40 printings, had sold several million copies of "Lost Horizon", helping to make it one of the most