First published: London : Allen Lane, 2002, under title Four colours suffice.
Preface to the revised color edition
Preface to the original edition
The four-colour problem
The problem is posed
Euler's famous formula
Cayley revives the problem...
...and Kempe solves it
A chapter of accidents
A bombshell from Durham
Crossing the Atlantic
A new dawn breaks
Success!
Is it a proof?
Chronology of events
Glossary.
Four colors suffice : how the map problem was solved by Robin J. Wilson. ISBN 9780691158228. Published by Princeton University Press in 2014. Publication and catalogue information, links to buy online and reader comments.