On Dec 3, 2017 [I asked Marcin Wichary][request] for advice on "font design" and he suggested I check out [Zach Leatherman's thread][zach_thread] where he asked a very similar question.
- [How to create typefaces: from sketch to screen][book1]
- [Designing Type][book3] by Karen Cheng
- [While You're Reading][book4] by Gerard Unger
- [Essential Type: An Illustrated Guide to Understand and Using Fonts][book5] by Tony Seddon
- [Lettering for Reproduction][boo6] by David Gates