The end-of-chapter problems are legendary for their difficulty and their ability to force a student to think like a designer, not just a calculator.
One of the "exclusive" strengths of the Taub and Schilling approach is their rigorous mathematical treatment of switching speeds and storage times. 1. The Mastery of TTL (Transistor-Transistor Logic)
In-depth looks at propagation delay, power dissipation, and noise margins.