Undercurrents

Fourteen-year-old Nikki Simons has lost her mother to cancer. Her older sister, Bonnie, will soon be off on an exciting trip before heading to college, leaving Nikki to cope with things at home, including her little brother, Sam.
Nikki still grieves for her mother, knows she will desperately miss Bonnie, and feels inadequate to fill in for them at home. And then their father makes a shattering announcement: He is going to marry Crystal, a woman he met through work who is only slightly olde...