I don't know much about doign circuits (vague memories from high school), but I'd like to learn more, with the goal of making instruments.

Beginner-level stuff. I'll put notes on these if/when I've read them.

• Handmade Electronic Music: The Art of Hardware Hacking, by Nicolas Collins
  Buying note: there's a 2020 version (3rd edition).
• Make: Electronics: Learning Through Discovery, by Charles Platt
• Handmade Electronic Music, by Nicolas Collins
• Make: Analog Synthesizers: Make Electronic Sounds the Synth-DIY Way, by Ray Wilson
• Practical Electronics for Inventors, by Paul Scherz
• Complete Electronics Self-Teaching Guide with Projects, by Earl Boysen & Harry Kybett
• The Electronic Musical Instrument Manual, by Alan Douglas &
  About internals of old organs. Would be insteresting for the mechainal and valve stuff.

• Electronotes - Long-running newsletter.
  • Free Posted Materials page.
• Synth DIY Wiki
  • List of open-source music hardware projects
  • Synth DIY books
  • Online Resources
  • Videos
• $20 Synth Project - Complete Build Guide - Good detail.
• My current most useful or inspirational books - Thread on the Look Mum No Computer forum.
• Synth DIY section on Music From Outer Space.
• r/synthdiy - Reddit
  • r/synthdiy/wiki/