In my library of recent finds, along the same lines...
Microcomputer - Alalog COnverter Software & Hardware Interfacing
Interfacing & scientific data communications experiments
Microcomputer interfacing with the 8255 PPI chip
Interfacing to S-100 / IEEE 696 microcommputers
They're all quite fascinating.
From: The Adept <adept(a)mcs.com>
To: Discussion re-collecting of classic computers
Date: Wednesday, April 01, 1998 10:27 AM
Subject: Special book find today
A friend I work with donated the following book to my
VIC-20 Interfacing Blue Book, by V.J. Georgiou