Announcement

'Frontiers of Bird Identification: a "British Birds" guide to some difficult species'

This book will be published on 28th August 1980, price £7.95. All subscribers to British Birds can, however, obtain a copy at the special prepublication price (£1.50 off and post-free) by using the coupon enclosed with this issue or one of those made available previously to readers (only one coupon per book). The special coupon offer closes on 28th August 1980. A cheque or postal order for £6.45 or credit card number and signature should accompany each order, which should be sent to British Birds Book Special Offep, Subscription Department, Macmillan Journals Ltd, Brunei Road, Basingstoke, Hampshire RG21 2XS.