Mystery Books for Kids
Browse 9,970 children's books about mystery, each rated for reading level and content intensity. Find books that match both your child's reading ability and emotional readiness.
Parents looking for mystery books for kids face the same problem with every search: the books are rated for reading level, or they're rated for age — but rarely both, and almost never together. A seven-year-old who reads at a fifth-grade level isn't necessarily ready for a fifth-grade book's emotional weight. That mismatch — what HootRated calls the reading-level gap — is the entire reason we built this site.
Across our catalog of mystery books, you'll find titles spanning picture books through Grade 10. About 82% are rated Gentle or Mild — good fits for sensitive readers or younger children with advanced reading skills. About 1% sit at the Intense or Very Intense end, with deeper emotional or thematic territory typically better suited to upper-grade readers or kids who specifically want a meatier read.
Use the intensity badges (color-coded: green for gentle, amber for moderate, red for intense) to filter by emotional readiness rather than just age. For deeper context on what each intensity level means, see our rating methodology.
Warriors #3
Erin Hunter
Warriors #3
Erin Hunter
How to Disappear Completely and Never Be Found
Sara Nickerson
How to Disappear Completely and Never Be Found
Sara Nickerson
The yellow yacht
Ron Roy
The yellow yacht
Ron Roy
Nate the Great and the mushy valentine
Marjorie Weinman Sharmat
Nate the Great and the mushy valentine
Marjorie Weinman Sharmat
Nate the Great and the tardy tortoise
Marjorie Weinman Sharmat
Nate the Great and the tardy tortoise
Marjorie Weinman Sharmat
Nate the Great and the monster mess
Marjorie Weinman Sharmat
Nate the Great and the monster mess
Marjorie Weinman Sharmat
Nate the Great and the crunchy Christmas
Marjorie Weinman Sharmat
Nate the Great and the crunchy Christmas
Marjorie Weinman Sharmat
Nate the Great and the Big Sniff
Marjorie Weinman Sharmat
Nate the Great and the Big Sniff
Marjorie Weinman Sharmat
Nate the Great on the Owl Express
Marjorie Weinman Sharmat
Nate the Great on the Owl Express
Marjorie Weinman Sharmat
Nate the Great Talks Turkey
Marjorie Weinman Sharmat
Nate the Great Talks Turkey
Marjorie Weinman Sharmat
Cats in the castle
Lucy Daniels
Cats in the castle
Lucy Daniels
Nate the Great and the Fishy Prize
Marjorie Weinman Sharmat
Nate the Great and the Fishy Prize
Marjorie Weinman Sharmat
Nate the Great Stalks Stupidweed (Nate the Great)
Marjorie Weinman Sharmat
Nate the Great Stalks Stupidweed (Nate the Great)
Marjorie Weinman Sharmat
Nate the Great goes down in the dumps
Marjorie Weinman Sharmat
Nate the Great goes down in the dumps
Marjorie Weinman Sharmat
Nate the Great saves the King of Sweden
Marjorie Weinman Sharmat
Nate the Great saves the King of Sweden
Marjorie Weinman Sharmat
Nate the Great and the missing key
Marjorie Weinman Sharmat
Nate the Great and the missing key
Marjorie Weinman Sharmat
Nate the great and the snowy trail
Marjorie Weinman Sharmat
Nate the great and the snowy trail
Marjorie Weinman Sharmat
Nate the Great and the lost list
Marjorie Weinman Sharmat
Nate the Great and the lost list
Marjorie Weinman Sharmat
Nate the Great goes undercover
Marjorie Weinman Sharmat
Nate the Great goes undercover
Marjorie Weinman Sharmat
Mary Anne and the Haunted Bookstore
Ann M. Martin
Mary Anne and the Haunted Bookstore
Ann M. Martin
Mary Anne and the Silent Witness
Ann M. Martin
Mary Anne and the Silent Witness
Ann M. Martin
Claudia and the Phantom Phone Calls
Ann M. Martin
Claudia and the Phantom Phone Calls
Ann M. Martin
Horrible Harry and the locked closet
Suzy Kline
Horrible Harry and the locked closet
Suzy Kline
Jane Eyre
Jane E. Gerver
Jane Eyre
Jane E. Gerver
The falcon's feathers
Ron Roy
The falcon's feathers
Ron Roy
The Callender papers
Cynthia Voigt
The Callender papers
Cynthia Voigt
The Animal Shelter Mystery
Gertrude Chandler Warner
The Animal Shelter Mystery
Gertrude Chandler Warner
The Basketball Mystery
Gertrude Chandler Warner
The Basketball Mystery
Gertrude Chandler Warner
Bus Station Mystery
Gertrude Chandler Warner
Bus Station Mystery
Gertrude Chandler Warner
The Ghost Town Mystery
Gertrude Chandler Warner
The Ghost Town Mystery
Gertrude Chandler Warner
The Growling Bear Mystery
Gertrude Chandler Warner
The Growling Bear Mystery
Gertrude Chandler Warner
The Hurricane Mystery
Gertrude Chandler Warner
The Hurricane Mystery
Gertrude Chandler Warner
Mike's Mystery
Gertrude Chandler Warner
Mike's Mystery
Gertrude Chandler Warner
Mystery Ranch (Pilot Books)
Gertrude Chandler Warner
Mystery Ranch (Pilot Books)
Gertrude Chandler Warner
The mystery of the wild ponies
Gertrude Chandler Warner
The mystery of the wild ponies
Gertrude Chandler Warner
The Summer Camp Mystery
Gertrude Chandler Warner
The Summer Camp Mystery
Gertrude Chandler Warner
The Mystery of the Spider's Clue
Gertrude Chandler Warner
The Mystery of the Spider's Clue
Gertrude Chandler Warner
The Mystery of the Star Ruby
Gertrude Chandler Warner
The Mystery of the Star Ruby
Gertrude Chandler Warner
The Finders Keepers Mystery
Gertrude Chandler Warner
The Finders Keepers Mystery
Gertrude Chandler Warner
The soccer mystery
Gertrude Chandler Warner
The soccer mystery
Gertrude Chandler Warner
The strange case of Dr. Jekyll and Mr. Hyde
Kathleen Olmstead
The strange case of Dr. Jekyll and Mr. Hyde
Kathleen Olmstead
The invisible man
H. G. Wells
The invisible man
H. G. Wells
Jane Eyre
Malvina G. Vogel
Jane Eyre
Malvina G. Vogel
Sherlock Holmes and the case of the hound of the Baskervilles
Malvina G. Vogel
Sherlock Holmes and the case of the hound of the Baskervilles
Malvina G. Vogel
Warriors: Omen of the Stars #1
Erin Hunter
Warriors: Omen of the Stars #1
Erin Hunter
Masterminds
Gordon Korman
Masterminds
Gordon Korman
U.F. Uh-Oh!
J. A. Warner
U.F. Uh-Oh!
J. A. Warner
Horrible Harry cracks the code
Suzy Kline
Horrible Harry cracks the code
Suzy Kline
The demon headmaster
Gillian Cross
The demon headmaster
Gillian Cross
The book of secrets
Cynthia Voigt
The book of secrets
Cynthia Voigt
Treasure Hunters
James Patterson
Treasure Hunters
James Patterson
Mayflower treasure hunt
Ron Roy
Mayflower treasure hunt
Ron Roy
Virtual Clinical Excursions
Ron Roy
Virtual Clinical Excursions
Ron Roy
Humphrey's Treasure Hunt Trouble
Betty G. Birney
Humphrey's Treasure Hunt Trouble
Betty G. Birney
Harry Potter and the Chamber of Secrets
J. K. Rowling
Harry Potter and the Chamber of Secrets
J. K. Rowling
Skeleton Key
Anthony Horowitz
Skeleton Key
Anthony Horowitz
Calder Game
Blue Balliett
Calder Game
Blue Balliett
Agatha, girl of mystery
Maya Gold
Agatha, girl of mystery
Maya Gold
News for dogs
Lois Duncan
News for dogs
Lois Duncan
The healing spell
Kimberley Griffiths Little
The healing spell
Kimberley Griffiths Little
Showing our 60 curated picks of 9,970 rated mystery books. Search all of them.
For teens (ages 13+)
2,089 mystery books are written for readers 13 and up. A few of them:
Killing Mr. Griffin
Lois Duncan
Killing Mr. Griffin
Lois Duncan
The mystery of the yellow room
Gaston Leroux
The mystery of the yellow room
Gaston Leroux
The Power of Love
Elizabeth Chandler
The Power of Love
Elizabeth Chandler
Soulmates
Elizabeth Chandler
Soulmates
Elizabeth Chandler
Uncle Vampire
Cynthia D. Grant
Uncle Vampire
Cynthia D. Grant
Grave matters
Patricia H. Rushford
Grave matters
Patricia H. Rushford
Pretty Little Liars
Sara Shepard
Pretty Little Liars
Sara Shepard
Flawless
Sara Shepard
Flawless
Sara Shepard
Wicked
Sara Shepard
Wicked
Sara Shepard
Pretty Little Liars #6
Sara Shepard
Pretty Little Liars #6
Sara Shepard
Heartless
Sara Shepard
Heartless
Sara Shepard
The Lying Game
Sara Shepard
The Lying Game
Sara Shepard
Questions parents ask about mystery books
- What are the best mystery books for kids?
- HootRated catalogs 9,970 mystery children's books spanning picture books through Grade 10. Each is rated on two dimensions: reading level (text difficulty) and content intensity (emotional weight). The featured picks above are sorted by quality signals — hook factor, discussion potential, and parent-vetted content appropriateness.
- Are mystery books appropriate for sensitive readers?
- 8,173 of our 9,970 mystery books are rated Gentle or Mild — appropriate for sensitive readers. 79 are rated Intense or Very Intense. Average intensity across this theme is 2/5. Filter by intensity badge color (green = gentle, red = intense) to match your child's emotional readiness.
- What's the difference between reading level and content intensity?
- Reading level measures text difficulty. Content intensity measures emotional weight. A child can read several grade levels above their age but not yet be ready for high-intensity content — what we call the reading-level gap. For mystery specifically, the typical reading level lands around Grade 5.