Clayton Walnum

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Clayton Walnum is a writer of many books about programming in C#, DirectX and C++.[1]

Clayton Walnum started programming computers in 1982, when he traded an IBM Selectric typewriter to buy an Atari 400 computer with 16K of RAM.[2] He was hired as a Technical Editor for Atari 8-bit computer magazine ANALOG Computing in 1985, eventually becoming Executive Editor before leaving in 1989, the year the publication folded. He authored a number of type-in games for ANALOG, including Dragonlord (1985) and Moonlord (1986), mostly written in Atari BASIC.[3]

Walnum has since acquired a degree in computer science, and written over 30 books (translated into many languages).[2] He is also the author of hundreds of magazine articles and software reviews, as well as countless programs.


  • Microsoft Direct3d Programming: Kick Start
  • Sams Teach Yourself Game Programming With Directx in 21 Days
  • C# for Visual Basic Programmers
  • Sams Teach Yourself Game Programming With Visual Basic in 21 Days
  • C++ Master Reference
  • Visual Basic 6: Master Reference
  • The Complete Idiot's Guide to Visual Basic 6