Not many to swaps at the moment:
Brightness Falls From The Air - James Tiptree Jr (Sci Fi);
The Last Wife of Henry VIII - Carolly Erickson;
The Lost Book of Salem - Katherine Howe;
Mistress Peachum's Pleasure - The life of Lavinia, Duchess of Bolton - Lisa Hilton
The House at Riverton - Kate Morton;
Atlantis - David Gibbins.