Bedfordshire, Berkshire, Buckinghamshire, Hertfordshire and Oxfordshire (Where to Watch Birds)  
Brian Clews , Andrew Heryet , Paul Trodd

One of a series of in-depth guides to birdwatching in different regions. This is a book on birds in Bedfordshire, Berkshire, Buckinghamshire, Herfordshire and Oxfordshire counties, rich areas for birdwatching, each with a wide variety of sites. Three local experts have drawn together the best of these sites to offer a comprehensive and unique guide to birdwatching in this region. This edition has been thoroughly revised with new maps, sites and totally re-written site accounts.

Thames Valley and the Chilterns (Where to Watch Birds)  
Brian Clews , Paul Trodd

A guide to birdwatching in the Thames Valley and all the counties crossed by the Chilterns (Bedfordshire, Berkshire, Buckinghamshire, Hertfordshire and Oxfordshire). This region includes some of England's best inland reservoirs and other wetland sites, as well as extensive areas of ancient woodland, and traditionally-managed farmland. The volume contains site accounts, plans, maps, lists of birds in the region and advice on planning birdwatching trips.

Birds of Bedfordshire

This book is the first comprehensive review of the status and distribution of all the bird species recorded in the county up to 1989. Each of the 267 species are described in short essays and the book also includes the 113 breeding bird maps first published in the Bedfordshire Bird Atlas (Harding 1979).

Magazine articles

Paul has been a regular contributor to  Birdwatching magazine for many years with regular features in the  Go Birding section