In 1532, under the pseudonym Alcofribas Nasier (an anagram of François Rabelais), he published his first book, "Pantagruel King of the Dipsodes", the first of his "Gargantua" series. The idea of basing an allegory on the lives of giants came to Rabelais from the folklore legend of "les Grandes chroniques du grand et énorme géant Gargantua", which were sold as popular literature at the time in the form of inexpensive pamphlets by colporters and at the fairs of Lyon. Pantagruelisme is an "eat, drink and be merry" philosophy, which led his books into disfavor with the church but simultaneously brought them popular success and the admiration of later critics for their focus on the body. This first book, critical of the existing monastic and educational system, contains the first known occurrence in French of the words "encyclopédie", "caballe", "progrès" and "utopie" among others. Despite the book's popularity, both it and the subsequent prequel book (1534) about the life and exploits of Pantagruel's father Gargantua were condemned by the "Sorbonne" in 1543 and the Roman Catholic Church in 1545.