Where to Watch Birds in Dorset, Hampshire and the Isle of Wight 5th Edition Betton Keith Heftet / 2021 / Engelsk
Behind More Binoculars Interviews with acclaimed birdwatchers Betton Keith Innbundet / 2017 / Engelsk
Behind the Binoculars Interviews with acclaimed birdwatchers Avery, Mark, Dr. Heftet / 2015 / Engelsk
