[1] The first four volumes of the Gamer's Handbook of the Marvel Universe are supplements for the Advanced rules of heroes and villains, each full described and color-illustrated on a separate hole-punched sheet, alphabetical.
[2] The first four volumes of the Gamer's Handbook of the Marvel Universe were designed by David A. Martin, Chris Mortika, and Scott Bennie, and were published by TSR, Inc., in 1988 as 256-page five-hold punched books.
[2] The fifth volume was designed by Scott Bennie, David Martin, Chris Mortika, David Rogers, and William Tracy, and was published in 1989, and the sixth volume was designed by David Martin, Chris Mortika, Scott E. Davis, William Tracy, and Raymond Maddox, and was published in 1990; both featured covers by Jeff Butler and were the same size as the first four volumes.
[2] Jim Bambra reviewed volumes 1-3 of the Gamer's Handbook of the Marvel Universe for Dragon magazine #145 (May 1989).
Anyone who plays the Marvel Super Heroes Advanced Set game can't afford to be without these, as they form the ultimate in sourcebooks.