The TTL Data Book for Design Engineers – Texas Instruments 2nd Edition
This textbook has a companion workbook that pairs nicely with it.
BJU Press Math 6 Worktext (4th Edition) 525444-005-01 Used-GOOD
Heavily used copy. I have a few, so I chose the worst conditioned one to take pics of. All will have similar wear, and will have writing in and/or on the book. I have a few in Acceptable condition for cheaper if interested.