HEINLEIN, Robert (1907-1988). A group of 6 works, comprising: Orphans of the Sky. New York: G. P. Putnam's Sons, 1964. FIRST AMERICAN EDITION. See Currey p.233. -- Universe. New York: Dell Publishing, 1951. Original printed wrappers. FIRST EDITION. Currey p.235. -- The Unpleasant Profession of Jonathan Hoag. New York: Gnome Press, 1959. FIRST EDITION. Currey p.235. -- I Will Fear No Evil. New York: G. P. Putnam's Sons, 1970. FIRST EDITION. Currey p.233. -- Friday. New York: Holt, Rinehart and Winston, 1982. FIRST EDITION. -- OWINGS, Mark. Robert A. Heinlein: A Bibliography. Baltimore: Croatan House, 1973. Original wrappers. -- Together 6 volumes, 8vo, publisher's cloth, dust-jacket (except where indicated), condition generally fine.