Typography
The details readers feel before they can name them.
Punctuation & special characters
The marks that separate typeset text from typed text
Typeface classification
Six genres of type and why pairing starts here
Font selection & weights
How to tell a quality font from a dressed up system font
Font loading
Taming the flash of invisible text without slowing the page
Sizing & measure
Why 66 characters per line and 1.5 line height feel right
Spacing & rhythm
The vertical flow most developers never adjust
OpenType features
The features hiding inside your font files
Hierarchy & scale
Making headings look clearly different, not slightly different
Alignment & layout
Fixing widows, rag, and the line breaks that ruin headlines
Typeface pairing
Why some fonts belong together and others fight
Brand & identity
Choosing a typeface that carries your product's personality
Display & headlines
What changes when type gets large