Ediciones M.A.S. is a series published in Spain in 1957, running for 13 editions. Each comic book contained 3 characters, Flash Gordon, Johnny Hazard and the Phantom.
Internal pages are printed in black and white, with color only seen on the front cover. Each comic contains 20 pages, 6 pages dedicated to each character.
The comics all in landscape format, commonly referred to as the ‘Italian’ format. The first 10 comics measure 33 cm x 19.3 cm, with the last 3 comics measuring 23.7 cm x 18 cm.
The back covers are blank, with only small text found at the bottom right, reading ‘A. G. Raiclan, S. L.’.