Hannah Fry books

Every book by Hannah Fry, newest first, with where to buy each one. Not sure which to read? Start here.

Pre-order · 16 September 2027

No One Knows What They're Doing

The Power of Doubt in an Overconfident World

Hannah Fry's new book on why embracing uncertainty makes us better at decisions.

2018

Hello World

How to Be Human in the Age of the Machine

Her bestselling look at how algorithms are reshaping justice, medicine, cars and everyday life.

2015

The Mathematics of Love

Patterns, Proofs, and the Search for the Ultimate Equation

A short, witty TED Books guide to what maths can tell you about dating and relationships.

Co-written

The Indisputable Existence of Santa Claus

The Mathematics of Christmas

A festive, funny look at the maths of Christmas, co-written with fellow mathematician Thomas Oléron Evans.

2021

Rutherford & Fry's Complete Guide to Absolutely Everything (Abridged)

Adventures in Math and Science

A tour of maths and science with Adam Rutherford, from the duo behind The Curious Cases of Rutherford & Fry.

Beyond the books

Fry also writes and presents for television and radio, including BBC programmes and the podcast The Curious Cases of Rutherford & Fry. Read more about Hannah Fry, or find books like hers.