Oxford University Press, 1990-2006. Complete set: Volumes 1-7 in nine hardcover volumes in dust jackets in fine condition (Volume 1 and Volume 7 published in two parts). Gazetteer laid in Volume 2.Front of dust jacket of Volumes 3 scored. Acclaimed internationally as the key reference book to the birds of the region, it remains an indispensable guide for anyone with a serious interest in the world's birds. A scarce set in beautiful condition.