1 on 1 Adventure Gamebooks
Fantasy (High Fantasy) Science Fiction Action / Adventure (Superheroes)
Competitive (players compete against each other to win) Reading (for Periodicals, Adventure Books, etc)
It is an exciting game of adventure and pursuits, combined with magic. Everything you need to play is provided: two books, maps, Combat Table, Character Sheets. No dice required. All you provide is one friend and two pencils!
It's an offshoot of TSR's Endless Quest series, the "1 on 1 Adventure Gamebooks" involved two players, each using one of the two books bundled in a slipcase for each title. There were ten books in this series, published between April 1985 and July 1987.