Make Your Selection: Leaving Time by Jodi Picoult

For more than a decade, Jenna Metcalf has never stopped thinking about her mother, Alice, who mysteriously disappeared in the wake of a tragic accident. Desperate to find the truth, she enlists the help of psychic, Serenity Jones and private detective, Virgil Stanhope. As the three work together to uncover what happened to Jenna's mother, they realize that in asking hard questions, they'll have to face even harder answers.