found: Mistress of Rome, 2010:ECIP title page (Kate Quinn)
found: amazon.com, June 3, 2009:(Kate Quinn is a native of southern California, a graduate from Boston University; lives in San Diego)
found: Rose code, 2021:title page (Kate Quinn) also by Kate Quinn (books include The Alice network, Mistress of zrome, The lion and the rose, The serpent and the pearl)
found: Wikipedia, viewed August 26, 2022:wiki (Kate Quinn is an American writer; known for her works of historical fiction; born Long Beach, California; based in San Diego; graduated from Boston University; books include The Alice network, The huntress, The rose code) - https://en.wikipedia.org/wiki/Kate_Quinn