The user interface (UI) is the space where interactions between humans and machines occur. —Wikipedia
Why study this resource? If you want to understand all the different Product Management Theories and frameworks ever theorised.
User Interface Design patterns are recurring solutions that solve common design problems. Design patterns are standard reference points for the experienced user interface designer.
Why study this book? If you want to learn all the principles of design.
By William Lidwell, Kritina Holden, Jill Butler