The Great Mental Models
The Great Mental Models (2019) provides a crash course on how to upgrade your thinking and decision making. Drawing from a wide variety of disciplines, it will equip you with nine of the most essential tools for understanding and navigating the complicated world around you.
Who should read
Decision makers Analysts Anyone who wants to give their thinking an edge
About the author
Shane Parrish is a former cybersecurity expert who worked for the Communications Security Establishment (CSE) – an agency of Canada’s Department of National Defence. He is host of The Knowledge Project podcast and the founder of Farnam Street – an online learning community and blog. Rhiannon Beaubien is also a former …
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The Great Mental Models (2019) provides a crash course on how to upgrade your thinking and decision making. Drawing from a wide variety of disciplines, it will equip you with nine of the most essential tools for understanding and navigating the complicated world around you.
Who should read
Decision makers Analysts Anyone who wants to give their thinking an edge
About the author
Shane Parrish is a former cybersecurity expert who worked for the Communications Security Establishment (CSE) – an agency of Canada’s Department of National Defence. He is host of The Knowledge Project podcast and the founder of Farnam Street – an online learning community and blog. Rhiannon Beaubien is also a former member of the CSE and writes for Farnam Street’s blog.
There are no frequently asked questions yet. If you have any more questions or need help, contact our customer service.

