Tell Me Everything — Carolyn Coman

After her mother dies trying to rescue a boy on a snowy mountain, twelve-year-old Roz searches desperately to understand what happened, and why her mother seemed to choose him over her.
 
"During a search for a lost teenager, Roz Jacoby's mother simply fell off a mountain and out of Roz's life. Feeling confused, betrayed, adrift, and, at times, guilty, 12-year-old Roz plots a course that will take her to Nate, the boy for whom her mother died...Coman's narrative skillfully unveils past events with a subtle emotional intensity that keeps the reader riveted...Pure poetry."-Starred, Booklist