Britain's ferns：a field guide to the clubmosses, quillworts, horsetails and ferns of Great Britain and Ireland A field guide to the clubmosses, quillworts, horsetails and ferns of Great Britain and Ireland Britain's orchids：a field guide to the orchids of Great Britain and Ireland Britain's insects：a field guide to the insects of Great Britain and Ireland Britain's birds：an identification guide to the birds of Great Britain and Ireland A field guide to the orchids of Great Britain and Ireland