Start with high-confidence product design books, then narrow by subgenre or adjacent topics.
How Things Are Made
Tim Minshall
The Laws of Simplicity
John Maeda
Structures
J. E. Gordon
Presentation Zen
Garr Reynolds
The Design of Everyday Things
Don Norman, Donald A. Norman
Product Management in Practice
Matt LeMay
Dark, Dirty, Dangerous
Karla Trotman
Technical and Economical Evaluation of Products at the Early Development Stage
Jean-Pierre Dal Pont
Meeting Design
Kevin M. Hoffman, Matt Sutter
The Jobs to Be Done Playbook
Jim Kalbach, Michael Schrage
Tradition Meets Transformation
Laurie Harbour, Scott Walton
