Her collection Stonelight (1999) won the Wales Book of the Year Award in 2000.
Literature Wales has also announced the important dates for the annual Wales Book of the Year.
His 1995 collection, Masks, won the Wales Book of the Year award for an English-language work.
Her second novel, "Remember Me", was shortlisted for the Wales Book of the Year.
"Winterton Blue" was longlisted for the 2008 Wales Book of the Year.
Literature Wales has announced the long lists for the 2011 Wales Book of the Year awards.
What the Water Gave Me was shortlisted for the Wales Book of the Year.
Humphreys won the Wales Book of the Year Award in 1992 and 1999.
He is one of the three English-panel judges for the Wales Book of the Year 2013.
The collection was awarded the Wales Book of the Year prize on 30 June 2010.