Irene Pereyra Universal Principles of UX: 100 Timeless Strategies to Create Positive Interactions between People and Technology (Rockport Universal)

Giles Colborne Simple and Usable Web, Mobile, and Interaction Design

Rob Fitzpatrick The Mom Test: How to talk to customers & learn if your business is a good idea when everyone is lying to you

David Cain Getting What We Want Isn’t What We Really Want