My Homebrew Z80 Microcomputer
<i>Build Your Own Z80 Computer</i> by Steve Ciarcia of Byte Magazine and Circuit Cellar fame may also be useful :<p><a href="https://smile.amazon.com/Build-Your-Own-Z80-Computer/dp/0070109621/" rel="nofollow">https://smile.amazon.com/Build-Your-Own-Z80-Computer/dp/0070...</a>