Gulls. A Guide to Identification
NEAR FINE COPY IN UNCLIPPED DUSTWRAPPER
Published: Poyser Calton, 
Stock code: 42530
8vo., First Edition, with title-vignette, plates and very numerous detailed illustrations in the text; grey cloth, gilt back, grey endpapers, a near fine copy in unclipped dustwrapper.
A classic guide by a seabird master.