The Certainty of Violet and Luke by Jessica Sorensen

Book 3 of the series. Violet's life is a mess. Preston is stalking her, her parents murder is still unsolved and to top it all off, she's falling behind in school. It's becoming too much and she feels as though she's going to lose it.

This book contains; alcohol/addiction, anxiety, child abuse, drugs/addiction/dealing, depression, deception, derogatory terms,
emotional abuse, gambling/addiction, grief, explicit sexual activities/sexual nudity, murder, physical abuse, profanity, smoking,
and stalking.