The Hidden Things(2014)
(The ninth book in the Faerieground series)
A novel by Beth Bracken and Kay Fraser
Soli has waited a long time to be rescued from the Crows, and she is beginning to give up on her faerie kingdom and her friends. She doesn't know if the mysterious letters she's receiving really are from Kheelan, Lucy has been out of touch, and Soli wonders if there is any friendship she can rely on in Faerieground.
Used availability for Kay Fraser's The Hidden Things
July 2014 : USA Library Binding
July 2014 : USA Paperback