- Waterfowl: An Identification Guide to the Ducks, Geese, and Swans of the World
- Crows and Jays: A Guide to the Crows, Jays and Magpies of the World (Helm Identification Guides)
- Pocket Guide to the Birds of Britain and North-West Europe
- A Guide to the Pheasants, Partridges, Quails, Grouse, Guineafowl, Buttonquails and Sandgrouse of the World (Helm Identification Guides)
- The Handbook of Bird Identification for Europe and the Western Palearctic