Book
Clear J. Atomic Habits: An Easy & Proven Way to Build Good Habits & Break Bad Ones. New York: Avery; 2018. ISBN: 978-0735211292.
Why we cite it
A popular treatment of identity-based habit change. Introduces the “three layers” framework (outcomes → processes → identity) arguing that identity is the deepest and most durable lever for behavior change. The “casting votes” metaphor — every action is a vote for a type of person — provides an accessible framework for the same identity-behavior bidirectional relationship described in the academic literature (cib01 Verplanken, cib02 Patrick). Referenced across the project’s identity-themed companions as a reader-friendly bridge to the underlying research.
This record previously opened “the most widely read” (corrected 2026-09-02, card 6NM98H) — a claim about readership rather than about the argument, and one nothing in this library measures. Reach, measured the same day: 144 live companion pages, the widest of any record here — which is the reason to state the book’s standing carefully rather than the reason to inflate it.
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