Bookshelf
Highly recommended
Books that have changed how I work. I refer to them regularly.
The Elements of Style
JavaScript: The Good Parts
The Elements of 
Getting Real
Obliquity
Recommended
A good read.
High Performance JavaScript
JavaScript Patterns
Don't Make Me Think
Thinking with Type
Influence: The Psychology
of Persuasion
Nudge
Currently reading
The jury’s out until I finish these books.
Logo Design Love
Sketching User Experiences
Rework
Designing for the Social Web
Designing the Obvious
Visual Literacy