The Quinlan Readers : Basal Series, includes volumes of various editions, having the same title. Previously published: ''The Quinlan Readers : Basal Series, Allyn and Bacon, Boston,* ©1939-1940. Includes songs with music.'' ''HAPPY DAYS'' Readiness Primer, was originally published in 49; this reader, is the 1956 revised edition that is slightly different than the 1949. (See table of contents, for Quinlan pre-primers, primers, and readers).