I.: Simms, Eric: British Thrushes. London, Collins 1978. cloth w. laminated dust jacket. ISBN 0002196700 / II.: Perrins, Christopher: British Tits. London, Collins 1979. cloth w. laminated dust jacket. ISBN 0002195372 / III.: Moore, Alick: A Field Guide to the Warblers of Britain and Europe. Oxford, Oxford Univ. Press 1983. cloth w. dust jacket. ISBN 0192177109 / IV.: Campbell, Bruce; Watson, Raymond: Birds of Coast and Sea. Britain and Nothern Europe. Oxford, Oxford Univ. Press 1977. Hardback w. dust jacket. ISBN 0192176617 / V.: Sharrock, J.T.R.: Frontiers of Bird Identification. A British Birds Guide to some difficult Species. London, Macmillan 1980. Hardback w. dust jacket. ISBN 0333237080 All books in good to very good condition