# Unknown Quantity

Canonical: https://www.bookquiver.com/john-derbyshire/unknown-quantity/9780452288539

![Unknown Quantity](https://quivercdn.com/covers/plume/john-derbyshire/unknown-quantity_978-04-5228-853-9.jpg?v=2026-06-20%2012%3A13%3A13)

- Book: [Unknown Quantity](https://www.bookquiver.com/john-derbyshire/unknown-quantity) ([Unknown Quantity.md](https://www.bookquiver.com/john-derbyshire/unknown-quantity.md))
- Authors: [John Derbyshire](https://www.bookquiver.com/john-derbyshire)
- Publisher: Plume
- ISBN: 978-04-5228-853-9
- Pages: 400
- Published: 2007-05-29
- Language: en_US
- Binding: Softcover

## Description

Perfect for history buffs and armchair algebra experts, Unknown Quantity tells the story of the development of abstract mathematical thought. John Derbyshire discovers the story behind the formulae,...