Silver in the Blood

http://hip1.sjvls.org/ipac20/ipac.jsp?session=14P70L998S210.67173&menu=search&aspect=subtab255&npp=20&ipp=20&spp=100&profile=thq&ri=&term=&index=.GW&x=0&y=0&aspect=subtab255&term=Silver+in+the+Blood&index=.TW&term=Jessica+Day+George&index=.AW&term=&index=.SW&term=&index=.NW&term=&index=.SE&term=&index=.STW&term=&index=.EW&sort=Silver in the Blood by Jessica Day George

In 1897, seventeen-year-olds Dacia and Lou, New York socialites and cousins, visit their maternal homeland of Romania and learn the family secret--that they are shapeshifters, expected to take their rightful places and marry proper husbands.