These are data DVD's or CD's
for use in your computer and it requires a DVD-Rom or DVD-RW drive to function.
 The magazines on this DVD
have been compiled from professionally scanned original books  in effect you will be reading the original books but on your computer screen.
 All are in pdf format readable using adobe acrobat.
If you don't have adobe acrobat in your computer just download it . free from www.adobe.com.
 high-quality images format  jpg.
You can print a single page or the entire e-book.
 The disc will be sent  in a sleeve not a case
 You can print a single page or the entire eBook.
You can copy pictures and illustrations. Zoom in and out to the desired size.