The Design of Everyday Things
Book
A classic design book that highlights the importance of conveying a mental model to the user through UI/design.
Mentioned in 2 videos
Videos Mentioning The Design of Everyday Things

Design for Startups by Garry Tan (Part 1)
Y Combinator
A book by Don Norman that is highly recommended for founders, featuring a chapter on doors that are beautiful but difficult to use, illustrating the concept of form over function.

What Founders Can Do To Improve Their Design Game
Y Combinator
A classic design book that highlights the importance of conveying a mental model to the user through UI/design.