This blue-cover book has ISBN of 0935696032 and is the Basic RULES BOOK from the "Blue Box" Basic Set. Please don't combine this with the "Blue Box" which contains it.

Please don't combine it with any Basic Set box.

Please don't combine this blue-cover book with any other Basic rules book such as the two-adventurers-magenta-scene-with-red-border book or the one-adventurer-scene red Basic Rulebook or the red Basic-set Dungeon Master's Rulebook or the red Basic-set Player's Manual.