Charlemagne and the Paladins

2014

Legendary Beasts of Britain

2012

Oxford Dictionary of Word Origins

2010

The Insect That Stole Butter

Oxford Dictionary of Word Origins

2009

The Cat's Pyjamas

The Penguin Book of Clichés

2007

Collins Dictionary of - First Names

2001

The Penguin Dictionary of Clichés

2000