Greatlot of computer history here, there are 12 total books, all softbacks.Most are from the 1990’s a couple are earlier from 70’s-80’s. Most are in really great condition; a couple have alittle writing on them “Fraizer”. The majority that originally came withdisks or CD’s do not have them. The first two in the upper right cornerhas the disks and are in like new near mint condition. Please see all the pictures.