Mollison, Bill, Global Gardener (Bullfrog Films, 1991).
Mollison, Bill and Reny Mia Slay, Introduction to Permaculture, 5th. ed.

Adelson, Glenn and D. Perlman, Biodiversity (Malden, Massachusetts:
Blackwell Science, 1997)

Pilarski, Michael (ed.) 1994. Restoration Forestry. 
Kivaki Press, Durango, CO.

Small is Beautiful,  by E.F.Schumacher.  Why we can't wait for the
politicians and economists to put the world to rights, and how we can maybe
start to organise a 'parallel economy'.

Woodland Crafts in Britain, by H.L.Edlin.  Everything society needs in a
pre- or post-plastic world. My Desert Island Book.

Design/Inspiration Books

"Permaculture: A Designer's Manual" by Bill Mollison 
Tagari Publications (c)1988, reprinted 1998

'Permaculture One' Mollison & Holmgren 0 552 98060 9  Corgi Book 1978
'Permaculture Two' - no details as it's on loan
'The Manual of Practical Homesteading' John Vivian, Rodale Press 1975,
Emmaus Pa., 0 87857 092 6
'Complete Organic Growing' Johnathan Sturm, Southern Holdings 1992,
Lucaston Tasmania, ISBN 094089184
'Surviving in the Eighties' Michael Boddy & Richard Beckett, George
Allen & Unwin Australia 1980, ISBN 0 06861 106 9
'The Wilderness Garden' Jackie French, Aird Books, Melbourne 1992 0
947214 25 9
'Esther Deans' Gardening Book', Esther Deans, Harper & Row, 1977, ISBN
06 312 0011
'Permaculture A Practical Guide for a Sustainable Future', Bill
Mollison, Island Press 1990, ISBN 1 55963 048 5
'The Best of Permaculture A collection' Lindegger/Tap, Nascimanere,
Nambour, Qld, ISBN 0 0589585 0 5
'Earth User's Guide to Permaculture' Rosemary Morrow, Kangaroo Press,
Kenthurst, NSW, ISBN 0 86417 514 0

Non-chemical/General useful stuff
'The essential It's so Natural' Alan Hayes, Harper Collins, ISBN 0
7322 5921 5
Eliot Coleman - 2 books
'The New Organic Grower', Chelsea Green, Chelsea, Vermont, ISBN 0
930031 22 9
'Four-Season Harvest',Chelsea Green, Chelsea, Vermont, ISBN 0 930031
57 1
Jackie French - 3 books
'A-Z of Useful Plants'Aird Books, Melbourne 1990, ISBN 0 947214 07 0
'Natural Control of Garden Pests', Aird Books, Melbourne 1990,  ISBN 0
947214 13 5
''Soil Food, 1372 ways to add fertility to your soil', Aird Books,
Melbourne, 1995, ISBN 0 947214 44 5
'Farming for Self-sufficiency' John & Sally Seymour, Schoken Books,
New York 1973, printed prior to intro of ISBN.
'The Rodale Herb Book' Rodale Press, Emmaus, Pa, 1976, ISBN 0 87857
076 4