In 2009, when Raquel Cepeda almost lost her estranged father to heart disease, she was terrified she'd never know the truth about her ancestry. Every time she looked in the mirror, Cepeda saw a mystery -- a tapestry of races and ethnicities that came together in an ambiguous mix. With time running out, she decided to embark on an archaeological dig of sorts by using the science of ancestral DNA testing to excavate everything she could about her genetic history -- From publisher's description. .