Elfyn co-edited The Bloodaxe Book of Modern Welsh Poetry with John Rowlands (a Welsh language author born on August 14, 1938), then issued her bilingual selected poems Eucalyptus.
She co-edited The Bloodaxe Book of Modern Welsh Poetry with John Rowlands, which won a Poetry Book Society recommendation. When Elfyn issued her bilingual selected poems Eucalyptus, (Gwasg Gomer, 1995), Tony Conran described her as "the first Welsh poet in 1500 years to have her work known outside Wales." John Rowlands (August 14, 1938  23 February 2015) was a Welsh language author of several novels including Lle bo'r gwenyn ("Where Bees May Be", 1960). 
