Before there was PC Interrupts, there was the The Prgrammer's PC Sourcebook and similar available at specialized bookstores like Computer Literacy Bookshops. Re

Before there was PC Interrupts, there was the The Prgrammer's PC Sourcebook and similar available at specialized bookstores like Computer Literacy Bookshops. Regular bookstores would generally contain a few computer and programming titles, but they weren't necessarily the best references.