Amazon and B&N. Here's the blurb for those new to this blog or the story:
Sometimes being a geneticist isn’t enough to understand your family....
Joanna Lyon is the great-granddaughter of the legendary TwenCen musician
Sean Lyon. Joanna may have inherited some of her ancestor's musical
talent, but her parents' bitter divorce and her Uncle Jack's attempts to
remake her into another Sean have left her hostile toward her family
and music. Her passion is for science, but since she has no access to
the family funds, she struggles to earn enough credits for graduate
school. Then her uncle sets up a business deal with her employer to make
Joanna go on a mission for him: travel via the spaceship Sagan to an
alternate TwenCen universe where Sean is still alive. Joanna must
collect a DNA sample from Sean so her uncle can create a clone of him.
She refuses at first, but finally agrees to go. Secretly, however,
Joanna believes her uncle will exploit the clone, and she plans to
sabotage the project to stop him. But when she falls in love with one of
the scientists in the Sagan's genetics lab, clashes with other time
travelers who fear she'll change how history develops on the alternative
TwenCen Earth, and receives devastating personal news, Joanna will find
herself pushed to her limit even before she comes face-to-face with her
hated ancestor. Their encounter will leave her changed forever. Will
she still be able to thwart her uncle's plan, and what will she have to
sacrifice to do so?