Corpus Christi: Bargain Books, no date (1950's; Survival Under Atomic Attack being one selection). p., 5 x 3.5 inch staplebound newsprint self-wraps (no special cover stock), faintly browned, nice copy.
Centerfold order blank with rubber-stamp messages ("please use this blank! we pay postage!") in purple and red inks, back wrap printed as for mailout, no Girard Kansas return.