Are these titles still available?

The following titles have been retired from publication:

The Duke’s Bridal Path
Once Upon a Dream
Christmas in Duke Street

Christmas in the Duke’s Arms
Dancing in the Duke’s Arms
Romance Under the Mistletoe

If you’d like to read Grace’s novellas from Christmas in Duke Street and Christmas in the Duke’s Arms, those have been bundled as Christmas Treats, and are available exclusively from Grace’s Store.