David Saunders who provided this contribution was Warden of Skomer where he lived with his family for seven years in the 1960's. He has remained involved with island affairs ever since and is the Honorary Warden of Grassholm for the RSPB. His short guide for visitors to the Pembrokeshire islands (title ISBN No and other details to go here). He is also writing for the natural history publishers T.D. & A. Poyser a major book on the Pembrokeshire islands. His other books include Where to Watch Birds in Wales 3rd edition 2000 published by Christopher Helm (Publishers) Ltd ISBN 0-7136-5136-9, price £14.99 which includes a major section on Pembrokeshire and the islands.