Caption title. On front cover: (Catalogue). I quit! On June 30, I shall quit publishing Little blue books! ... The enterprise of bringing out 850 good books has been sensational ... "842 titles listed in this catalogue"--P. 27. Pages - contain advertising matter, including order forms. A later printing exists that indicates there are 868 titles in the set on p. . Rare Books copy 2 is a later printing listing 868 titles.