Reading summary:

The titles don't lie it: these are the basics. If one day you have some doubt concerning the choice of a color or a typo, or even looking for the simple idea reconsidering your project after hours of painful blocking, you can refer to one of the following parts.

CHAPTER 3: INTERACTION DESIGN BASICS

The elements of interaction design
Motion
Space
Time
Appearance
Texture
Sound

The Laws of interaction design (cf Daniel's blog)

Characteristics of good interaction design

Trustworthy
Appropriate
Smart
Responsive
Clever
Ludic
Pleasurable

CHAPTER 6: INTERFACE DESIGN BASICS

The elements of visual interface design
Layout
Typography
Color
Material and shape

Controls and widgets
Icons
Sound
Standards

Interfaces without face
Voice G
Gestures
Presence