A course in twelve chapters. It works through the books that shaped the field and the systems it produced, from the token model to building with agents in 2026.
The field's real voices, put in tension so you can choose the right approach per project.
The taxonomist. Options vs decisions, the naming grammar every serious system borrows.
Read the source →Pilot-first, adoption over coverage, the reuse economics.
Read the source →Functional vs perceptual, the shared-language thesis.
Read the source →Atoms to pages, the three-tier themeable stack.
Read the source →Coined "design tokens." Tokens as a methodology; brandable vs constant.
Read the source →Consistency vs expression. Levers and dials.
Read the source →A system in production: the open-source framework and tokens behind Ubuntu and Canonical's products.
Read the source →Sixty production design systems with public Figma kits: Material, Polaris, Carbon, Fluent and the rest of the canon: filterable by platform and theming approach.