Books like Letters to the Lost by Brigid Kemmerer

High school sophomore Darcy Wills faces a stalker, a threatening note, and the sudden disappearance of her sister, forcing her to uncover hidden dangers while protecting her fragile family.

A young woman discovers a diary and embarks on a journey of self-discovery and murder in Jane Retton’s latest psychological thriller for teenagers.

Journalist Ellie uncovers a 1960 love letter that urges a woman to leave her husband, pulling her into a decades‑old affair while she grapples with her own relationship with a married man.

Mark and Becky: A Love Story in the Dark of Night

A teenage romance set in a high school, Don't Say Goodbye (Love Stories) examines the emotional journey of youth as they navigate love, friendship, and the social norms of dating.

Beckett, If you’re reading this, well, you know the last-letter drill. You made it. I didn’t. Get off the guilt train, because I know if there was any chance you could have saved me, you would have. I need one thing from you: get out of the army and get to Telluride. My little sister Ella’s raising the twins alone. She’s too independent and won’t accept help easily, but she has lost our grandmother, our parents, and now me. It’s too much for anyone to endure. It’s not fair. And here’s the kicker: there’s something else you don’t know that’s tearing her family apart. She’s going to need help. So if I’m gone, that means I can’t be there for Ella. I can’t help them through this. But you can. So I’m begging you, as my best friend, go take care of my sister, my family. Please don’t make her go through it alone.

A touching coming‑of‑age story about two teens who find solace in each other’s secrets, confronting abuse, family strife, and online harassment while exploring the challenges of adoption and foster care.

A thrilling paranormal romance in Paris, where Kate and Vincent's love story is threatened by a new and deadly enemy, and the immortal Vincent's future is in jeopardy, with a cliffhanger ending that leaves fans eager for the next book in the series.

Jasper Bunny spends a snowy Valentine's Day visiting his forest friends in hopes of finding the perfect gift for his beloved Lilly.

A young girl's love letters between 13-year-old Bridgette and Cupid help her navigate true love and her parents' struggling marriage, exploring interpersonal relationships and the theme of marriage through a humorous and heartwarming narrative that combines elements of children's fiction and romance.

A young woman with a deep-seated secret of love, and a small-town girl’s quest to find the courage to ask the right questions, is met with unexpected challenges and surprising outcomes.

When the mystical Elementals clash with the ruthless Guides, the eldest Merrick brother must rally his family and protect the girl he loves, all while keeping their secret powers hidden.