by Geoffrey Grimmett and Dominic Welsh

First published in 1986 by Oxford University Press.

Second edition appeared in Autumn 2014.

- General reorganization, expansion, and reformatting
- Inclusion of new material to cover first and second year syllabuses at major universities
- Extended new chapter on Markov Chains.

**Corrigenda to first printing** (with thanks to correspondents)

- several imperfections
- page 229: error in proof of Theorem 12.75(a), see correction
- page 255: Solution 1.46(b):
*n*should be*m* - page 256: Solution 5.54(b):
*e*should be*x*

**Remarks on second printing**

- For comments on the analysis of (12.68) and the proof of Theorem 12.75(a), see the notes.