A hardcover edition of The Book of Cold Cases in front of a pink Once Upon a Book Club box. In front of the box are a light blue box, black and yellow box, quote card, signature card, bookclub kit, bookmark, and black envelope. The boxes and envelope all have page numbers on them

Unsolved Mysteries - Full Box

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Snag a gorgeous Unsolved Mysteries April Adult box featuring a hardcover edition of The Book of Cold Cases by Simone St. James plus 3 gorgeous gifts that bring this novel to life! Boxes also included a signed bookplate, letter from the author, author Q&A, and more!

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Customer Reviews

Based on 75 reviews
Murders, Mysteries, and Surprises - oh my!

I really enjoyed this book and the surprises that went along with this one made my reading experience even more enjoyable by bringing the story to life! I ordered another box from the past because this was so much fun.


Great book. Very interesting. Gifts are awesome

Toishinna Lopez
Secrets, lies and mysteries

Such a great book. Love the different time lines, the different narratives and how you don't know where the story is going.
You can't trust really what you are told and pay close attention to the details. A bit of a slow burn but it's pace is really easy to follow.


Really fun gifts and a great read. Bought two more boxes because I loved this one so much 😝


Love these boxes. They are so much fun!

Book Clubber Testimonials


I love Once Upon a Book Club. Each month offers a book with a collection of gifts that bring the words on the pages to life. My collection is growing and I even had to purchased new book shelves. I love the boxes!

Mitzi V.
Lake Charles, LA

Once Upon a Book Club is a reader’s delight. The concept of this book box is so unique, it combines your love of reading with the joy opening presents.

Darrie D.
Oceanside, NY

The gifts truly bring the story to life and perfectly match what’s happening in the story. For example-the main character might have gotten a bracelet from her best friend in the story. And then you get that bracelet as a gift! It’s so fun because it’s an immersive experience.

Monique B.
Elmhurst, IL

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