Ever wonder why the space between lines of type is called leading? Or why Egyptian Slab Serifs have that name? This booklet covers a brief history of type design and printing through the different eras and the categories that we now use to classify typefaces. The booklet covers the parts of a typeface, the basics for specification both traditionally and in CSS and offers best practices for designing with type across textual content for reading accessibility and interface design. Filled with examples, this mini guide will help both new and seasoned user experience designers better understand the legacy of traditional type design and how to get started mastering type in their own work.