Nothing Without You (The Vitalli Family #1)
Sara Preston, Ellen Wilder

Liza Thomas lost her childhood best friend to the foster care system and began her career as a case manager to keep others from the same fate. Still mending her heart after her last breakup and frustrated with her increasing workload, Liza never expected romance to appear on an icy road.
Can a tortured man fighting bipolar disorder and a woman with a fractured heart the size of Indiana be exactly what the other needs to survive?