TY  - GEN
AU  - Walnum,Clayton
TI  - SAMS teach yourself game programming with DirectX in 21 days 
SN  - 0672324199
PY  - 2003///
CY  - Indianapolis, Ind.
PB  - Sams Pub.
KW  - Computer games
KW  - Programming
N1  - Includes index
ER  -