You can access this textbook legitimately through several channels: Libraries:

The authors, H. Taub and H. Schilling, were renowned experts in the field of electronics, with extensive experience in teaching and research. Their book is known for its clear and concise explanations, making it an excellent resource for those new to digital integrated electronics, as well as experienced engineers looking to refresh their knowledge.

: If you're a student, check your university library's catalog. They might have a copy of the textbook or be able to request it for you.