COMPUTER VIRUSES, WORMS, DATA DIDDLERS, KILLER PROGRAMS, By John Mcafee *VG+*
COMPUTER VIRUSES, WORMS, DATA DIDDLERS, KILLER PROGRAMS, AND OTHER THREATS TO YOUR SYSTEM: WHAT THEY ARE, HOW THEY WORK, AND HOW TO DEFEND YOUR PC, MAC, OR MAINFRAME By John Mcafee *Excellent Condition*.