Source: https://archive.org/details/computer-circuits-for-experimenters

Hurray. What a find! Computer Circuits for Experimenters from RadioShack is a true marvel!

RadioShack still exists today, but had a completely different reputation at those times. This absolutely worth reading book by Forrest M. Mims the 3rd was released, when Richard Nixon lived in the White House! Still, everything in this book is as valid today, as it was valid in those times.

Every engineer with an interest in hardware design finds a very well written introduction to the components, that act as the foundation of every modern day processor.

Highly recommended! And it's free of charge!