Amazing Spider-Man All Detergent Giveaway (1979) comic books

All Detergent giveaway from 1979. Reprints "The Origin of Spider-Man!" written by Stan Lee with art by John Romita and inks by Sal Buscema. Also reprints "Where Flies the Beetle...!" guest-starring the Human Torch, written by Stan Lee, with cool Steve Ditko art and inks. But there is MORE--the secrets of Spidy's spidy-senses, his mask, and his costume. Although this was a giveaway comic, it bears a 40c cover price. Comic-sized, 36-pages, full color. Cover price $0.40.