Conjecture Institute

Conjecture Press

Publishing books that explore the frontiers of human knowledge and progress.

The Sovereign Child Book Cover

The Sovereign Child

An exploration of Taking Children Seriously, examining how children's reasons and creativity work the same way as adults'. The book offers practical insights into parenting without rules, based on critical rationalism.

Lords of the Cosmos Book Cover

Lords of the Cosmos

Lords of the Cosmos views the story of humanity through the lens of our most profound theories of progress, addressing such questions as: What sparks progress? What does progress entail? What is the role of human progress in the cosmic scheme of things?

Bold Conjectures, Volume I: Select Interviews of David Deutsch Book Cover

Bold Conjectures, Volume I: Select Interviews of David Deutsch

Coming in January 2, 2026

Conjecture Institute Advisor David Deutsch has been interviewed over one-hundred times during his career, giving his readers hours of additional content that elucidates and expands upon the ideas in his books, in addition to ideas far afield from his writings. Bold Conjectures, Volume I: Select Interviews of David Deutsch is a compilation of over a dozen interviews of David Deutsch.

Conjecture Institute

The Farthest Reaches

Coming in 2026

By Brett Hall

Conjecture Institute

Bold Conjectures, Volume II: Essays Across Physics

Coming in 2026