Mallard's QBasic Manual
MallardChapterOne (PRINT, CLS, basics) Note: this is for REAL beginners.
MallardChapterTwo (variables & INPUT)
MallardChapterThree (DIM, FOR...NEXT, GOTO, IF...THEN, COLOR)
MallardChapterFour(?) (RND, SELECT CASE, DO...LOOP, file commands)
MallardChapterFive(?) (WHILE...WEND, structured programming, random access files)
Mallard's Graphics Tutorials
MallardGfxPartOne(?) Basic EGA sprite technique
MallardGfxPartTwo(?) BLOAD and BSAVE in EGA/VGA (.ZIP format)