Rules of Thumb
44 Principles to Live, Work, and Thrive By
8 December 2026
Territory Rights — Worldwide including Canada, Singapore and Malaysia, but excluding the British Commonwealth.
Description
A stylish, timeless guide to laws and principles that can help us make decisions and navigate the chaos of everyday life.
There are laws of nature—like gravity, thermodynamics, and Newtonian principles—that help explain our reality. And then there are human laws, many of which cannot be scientifically proven and yet are clearly true.
The law of ketchup, for example: First there is nothing for a long time . . . then suddenly there is too much. Or physicist Douglas Hofstadter’s law: Everything always takes longer than expected (even if you take Hofstadter’s law into account). Or Parkinson’s law: Meetings always take at least as twice long as we expect them to. Some of these truisms are world-famous; some well-kept secrets. Some are tongue-in-cheek; others imbue wisdom. But they all help us reframe our perspective and navigate the absurdities of everyday life. Pocket-sized, practical, and studded with whimsical illustrations, Rules of Thumb offers us the best of these laws for posterity.
Also By: Mikael Krogerus 
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Mikael Krogerus and Roman Tschäppeler have tested the 44 most important communication theories and distilled them in book form, alongside clear and entertaining illustrations.
The Decision Book: Fifty Models for Strategic Thinking
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An updated edition of the international bestseller that distills into a single volume the fifty best decision-making models.The Decision Book: Fifty Models for Strategic Thinking
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Also By: Roman Tschäppeler
To Do: 41 Tools to Start, Stick With, and Finish Things
Hardback, 2024
The techniques you need to stop procrastinating and start getting things done, from the authors of the international bestseller The Decision Book.The Communication Book: 44 Ideas for Better Conversations Every Day
Hardback, 2020
Mikael Krogerus and Roman Tschäppeler have tested the 44 most important communication theories and distilled them in book form, alongside clear and entertaining illustrations.The Communication Book: 44 Ideas for Better Conversations Every Day
E Book, 2020
Mikael Krogerus and Roman Tschäppeler have tested the 44 most important communication theories and distilled them in book form, alongside clear and entertaining illustrations.The Decision Book: Fifty Models for Strategic Thinking
Fully Revised Edition, Hardback, 2018
An updated edition of the international bestseller that distills into a single volume the fifty best decision-making models.The Decision Book: Fifty Models for Strategic Thinking
Fully Revised Edition, E Book, 2018
An updated edition of the international bestseller that distills into a single volume the fifty best decision-making models.