Fall 1983 APX Atari Program Exchange Catalog, along with the Winter Edition supplement for 1983-1984. The full-sized (magazine sized) Fall Edition contains 72 pages plus covers, packed with info on consumer-written software for Atari Home Computers ranging from Games to Learning to Home Management.  Order form is still intact. Information on lots of great, obscure games including Caterpiggle, Burgers, Moon Marauder, Space War, Phobos, Kangaroo and more! The Winter Edition supplement is brochure-sized and contains 12 pages, counting covers and order forms.  Pages are clean and nice with no writing. Minor toning and rubbing to covers of the Fall Edition. Three hole punches near the spine on the Fall Edition.