C Programming in 12 Easy Lessons by Greg M. Perry (1994, CD-ROM /Trade Paperback

Visual C++ in 12 Easy Lessons/Book and Cd-Rom by Greg M. Perry; Ian Spencer

Teach Yourself Visual Basic 6 in 21 Days by Perry, Greg M.

Visual C++ in 12 Easy Lessons/Book and Cd-Rom by Greg M. Perry; Ian Spencer

Visual C++ in 12 Easy Lessons/Book and Cd-Rom By Greg M. Perry,

Teach Yourself Visual Basic 6 in 21 Days (Sams Teach Yourself), Perry, Greg, Use

Visual Basic in 12 Easy Lessons,Greg M. Perry

Visual Basic In 12 Easy Lessons With 3 1/2" Floppy Disk Vintage 1995 PREOWNED