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Quick answer: The best mystery Books for 10 12 Year Olds include The Westing Game by Ellen Raskin, The Mysterious Benedict Society by Trenton Lee Stewart, From the Mixed-Up Files of Mrs. Basil E. Frankweiler by E.L. Konigsburg and twelve more picks chosen for story quality and age fit. Each book below has a short description, a suggested age range and who it suits best, with a comparison table to help you choose quickly.
Kids between ten and twelve are ready for real puzzles: clues to track, suspects to doubt and twists they did not see coming. These mysteries range from classic puzzle stories to modern page-turners, and all of them reward readers who like to play detective.
Table of Contents
Quick Comparison Table
| Book | Author | Ages | Best for |
|---|---|---|---|
| The Westing Game | Ellen Raskin | 10-14 | puzzle lovers |
| The Mysterious Benedict Society | Trenton Lee Stewart | 9-13 | readers who like brain teasers |
| From the Mixed-Up Files of Mrs. Basil E. Frankweiler | E.L. Konigsburg | 9-12 | fans of classic adventures |
| Greenglass House | Kate Milford | 10-13 | cosy winter reading |
| Escape from Mr. Lemoncello's Library | Chris Grabenstein | 8-12 | game lovers |
| Chasing Vermeer | Blue Balliett | 9-12 | art and pattern fans |
| The London Eye Mystery | Siobhan Dowd | 10-13 | readers who like clever narrators |
| Liar & Spy | Rebecca Stead | 10-13 | readers who like twists |
| The Parker Inheritance | Varian Johnson | 10-13 | history and puzzle fans |
| Book Scavenger | Jennifer Chambliss Bertman | 9-12 | readers who love books |
| Holes | Louis Sachar | 10-13 | readers who like connected stories |
| Enola Holmes: The Case of the Missing Marquess | Nancy Springer | 10-14 | Sherlock fans |
| The 39 Clues: The Maze of Bones | Rick Riordan | 9-12 | fans of treasure hunts |
| Nancy Drew: The Secret of the Old Clock | Carolyn Keene | 8-12 | classic detective fans |
| Echo Mountain | Lauren Wolk | 10-13 | readers who like quiet mysteries |
How We Chose These Books
We looked for real, widely available titles that match the theme and the age range, and we favoured books with clear storytelling and strong reputations with parents, teachers and librarians. Age ranges are suggestions, not rules, so you know your reader best. Previewing a book before you hand it over is always a good idea, especially for sensitive topics.
The 15 Books
1. The Westing Game by Ellen Raskin
Sixteen heirs compete to solve a millionaire's death and win his fortune. Recommended ages: about 10-14.
Best for: puzzle lovers.
2. The Mysterious Benedict Society by Trenton Lee Stewart
Four gifted kids go undercover at a sinister school to stop a mind-control plot. Recommended ages: about 9-13.
Best for: readers who like brain teasers.
3. From the Mixed-Up Files of Mrs. Basil E. Frankweiler by E.L. Konigsburg
Claudia and her brother hide in the Metropolitan Museum and solve an art mystery. Recommended ages: about 9-12.
Best for: fans of classic adventures.
4. Greenglass House by Kate Milford
Strange guests at a smugglers' inn bring secrets and a hidden treasure. Recommended ages: about 10-13.
Best for: cosy winter reading.
5. Escape from Mr. Lemoncello's Library by Chris Grabenstein
Kids compete to escape a high-tech library full of puzzles. Recommended ages: about 8-12.
Best for: game lovers.
6. Chasing Vermeer by Blue Balliett
Two classmates hunt for a stolen Vermeer painting using clues and coincidences. Recommended ages: about 9-12.
Best for: art and pattern fans.
7. The London Eye Mystery by Siobhan Dowd
Ted, whose brain works differently, figures out how his cousin vanished from a Ferris wheel pod. Recommended ages: about 10-13.
Best for: readers who like clever narrators.
8. Liar & Spy by Rebecca Stead
Georges joins a neighbour's spy club and uncovers truths about himself. Recommended ages: about 10-13.
Best for: readers who like twists.
9. The Parker Inheritance by Varian Johnson
Candice solves an old puzzle that reveals a town's racist past. Recommended ages: about 10-13.
Best for: history and puzzle fans.
10. Book Scavenger by Jennifer Chambliss Bertman
Emily finds a mysterious book linked to a famous game creator who was attacked. Recommended ages: about 9-12.
Best for: readers who love books.
11. Holes by Louis Sachar
Stanley digs holes at a camp and uncovers a century-old mystery. Recommended ages: about 10-13.
Best for: readers who like connected stories.
12. Enola Holmes: The Case of the Missing Marquess by Nancy Springer
Sherlock's younger sister searches for her missing mother in Victorian London. Recommended ages: about 10-14.
Best for: sherlock fans.
13. The 39 Clues: The Maze of Bones by Rick Riordan
Siblings race around the world to find clues to their family's power. Recommended ages: about 9-12.
Best for: fans of treasure hunts.
14. Nancy Drew: The Secret of the Old Clock by Carolyn Keene
Nancy searches for a missing will to help deserving relatives. Recommended ages: about 8-12.
Best for: classic detective fans.
15. Echo Mountain by Lauren Wolk
Ellie uncovers secrets in the mountains while caring for her injured father. Recommended ages: about 10-13.
Best for: readers who like quiet mysteries.
How to Choose the Right Book
For classic puzzle fun, start with The Westing Game or From the Mixed-Up Files. Kids who love games should try Escape from Mr. Lemoncello's Library or Book Scavenger. For richer, more emotional mysteries, choose The Parker Inheritance, Liar & Spy or The London Eye Mystery. Sherlock fans will enjoy Enola Holmes, and readers who want a big adventure will love The 39 Clues.
Tips for Choosing and Sharing These Books
- Read it first. A quick skim lets you spot anything that might need a conversation.
- Match the book to the child. A reader who loves jokes may prefer a funny pick, while a quiet reader may prefer a gentler story.
- Read together. Pausing to ask what a character might feel or do next turns a story into a conversation.
- Visit the library. Borrowing a few titles from this list lets you find the ones your child returns to.
- Revisit favourites. Children often ask for the same book again and again, and rereading builds confidence.
Frequently Asked Questions
What is the best book on this list to start with?
The Westing Game by Ellen Raskin is a strong place to start, and every book on this list is a good option.
What age are these books for?
The books on this list suit roughly ages 8 to 14, and each entry shows its own suggested range.
Should I read these books aloud?
Many of them work well read aloud, especially with younger children, and older readers may enjoy reading them independently.
Where can I find these books?
Most of these titles are easy to find at public libraries, school libraries and bookshops, and many are available as ebooks or audiobooks, which can help reluctant or struggling readers.
Which of these mysteries is easiest?
Nancy Drew and Escape from Mr. Lemoncello's Library are the easiest, while The Westing Game and Greenglass House are more complex.