Evan James Williams
Awdur(on): Rowland Wynne
William Morgan
Awdur(on): Nicola Bruton Bennetts
Geological Excursions in Powys
Golygydd(ion): M. G. Bassett N. H. Woodcock
Dictionary of Geology
Golygydd(ion): John Challinor
The Information Age
Awdur(on): Neil Selwyn Stephen Gorard
Scientific Americans
Awdur(on): John Bruni
Robert Recorde
Awdur(on): Gordon Roberts
William Robert Grove
Awdur(on): Iwan Rhys Morus
Coastal Systems
Awdur(on): Simon K. Haslett
Body Matters
Golygydd(ion): Luci Attala Louise Steel
Wales and the Bomb
Awdur(on): John Baylis
Energy, the Great Driver
Awdur(on): R. Gareth Wyn Jones