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Detective and mystery stories Books for Kids

360 books in detective and mystery stories. Every book rated for reading level and content intensity.

Detective and mystery stories books for kids span a wider readiness range than parents usually expect. The same genre category contains gentle picture books and high-intensity middle-grade novels — Lexile and grade-level scores measure text complexity, not what's actually in the story. A detective and mystery stories title appropriate for a confident 8-year-old reader could still cover themes a sensitive 12-year-old isn't ready for.

Across HootRated's 360 detective and mystery stories titles, books span Grade 1–8. About 78% are rated Gentle or Mild — safe picks for sensitive readers and kids reading ahead of their emotional readiness. 1% sit at the Intense or Very Intense end. Average content intensity is 2/5.

Use the intensity badges (green → red, low → high) to filter by emotional readiness rather than just age. For deeper detail on how we rate, see our rating methodology.

Dinosaur alert!

Carolyn Keene

Cover of Dinosaur alert!

Dinosaur alert!

Carolyn Keene

Level 3 Gentle

Grave matters

Patricia H. Rushford

Cover of Grave matters

Grave matters

Patricia H. Rushford

Level 4-5 Mild

The Gold Mine Mystery

Bob Wright

Cover of The Gold Mine Mystery

The Gold Mine Mystery

Bob Wright

Level 2-3 Gentle

Without a trace

Patricia H. Rushford

Cover of Without a trace

Without a trace

Patricia H. Rushford

Level 4-5 Intense

Dying to win

Patricia H. Rushford

Cover of Dying to win

Dying to win

Patricia H. Rushford

Level 4-5 Moderate

Over the edge

Patricia H. Rushford

Cover of Over the edge

Over the edge

Patricia H. Rushford

Level 4-5 Very Intense

Mysteries according to Humphrey

Betty G. Birney

Cover of Mysteries according to Humphrey

Mysteries according to Humphrey

Betty G. Birney

Level 3-4 Gentle

Unbroken

Paula Morris

Cover of Unbroken

Unbroken

Paula Morris

Level 4-5 Mild

The Brain full of holes

Martin Chatterton

Cover of The Brain full of holes

The Brain full of holes

Martin Chatterton

Level 4-5 Mild

Dead man's bluff.

Roderic Jeffries

Cover of Dead man's bluff.

Dead man's bluff.

Roderic Jeffries

Level 4-5

The Quiet Woman

Harry Carmichael

Cover of The Quiet Woman

The Quiet Woman

Harry Carmichael

Level 4-5

Voices in an empty room

Philip Loraine

Cover of Voices in an empty room

Voices in an empty room

Philip Loraine

Level 4-5

The Provence puzzle

Vincent McConnor

Cover of The Provence puzzle

The Provence puzzle

Vincent McConnor

Level 6

Sebastian (super sleuth) and the stars-in-his-eyes-mystery

Mary Blount Christian

Cover of Sebastian (super sleuth) and the stars-in-his-eyes-mystery

Sebastian (super sleuth) and the stars-in-his-eyes-mystery

Mary Blount Christian

Level 3

The case of the treetop treasure

E. W. Hildick

Cover of The case of the treetop treasure

The case of the treetop treasure

E. W. Hildick

Level 4-5

The case of the four flying fingers

E. W. Hildick

Cover of The case of the four flying fingers

The case of the four flying fingers

E. W. Hildick

Level 4-5

The case of the fantastic footprints

E. W. Hildick

Cover of The case of the fantastic footprints

The case of the fantastic footprints

E. W. Hildick

Level 4-5

Yellowthread Street

William Leonard Marshall

Cover of Yellowthread Street

Yellowthread Street

William Leonard Marshall

Level 4-5

The death in the willows

Richard Forrest

Cover of The death in the willows

The death in the willows

Richard Forrest

Level 4-5

The moment of truth

Blom, K. Arne

Cover of The moment of truth

The moment of truth

Blom, K. Arne

Level 4-5

Petrella at Q

Michael Francis Gilbert

Cover of Petrella at Q

Petrella at Q

Michael Francis Gilbert

Level 6

The witnesses.

Anne Holden

Cover of The witnesses.

The witnesses.

Anne Holden

Level 6

Case load-maximum

E. Richard Johnson

Cover of Case load-maximum

Case load-maximum

E. Richard Johnson

Level 6

Rollo and Tweedy and the Case of the Missing Cheese

Laura Jean Allen

Cover of Rollo and Tweedy and the Case of the Missing Cheese

Rollo and Tweedy and the Case of the Missing Cheese

Laura Jean Allen

Level 1-2

It looks alive to me!

Thomas Baum

Cover of It looks alive to me!

It looks alive to me!

Thomas Baum

Level 4-5

Big Max in the mystery of the missing moose

Kin Platt

Cover of Big Max in the mystery of the missing moose

Big Max in the mystery of the missing moose

Kin Platt

Level 1-2

The mystery of King Karfu

Doug Cushman

Cover of The mystery of King Karfu

The mystery of King Karfu

Doug Cushman

Level 1-2

Destination Unknown

Agatha Christie

Cover of Destination Unknown

Destination Unknown

Agatha Christie

Level 6

Stamp twice for murder

Betty Cavanna

Cover of Stamp twice for murder

Stamp twice for murder

Betty Cavanna

Level 6

Murder has your number

Hugh Garner

Cover of Murder has your number

Murder has your number

Hugh Garner

Level 6

The flaw

Antonis Samarakis

Cover of The flaw

The flaw

Antonis Samarakis

Level 6

The Blakeley ghost

Valerie Weldrick

Cover of The Blakeley ghost

The Blakeley ghost

Valerie Weldrick

Level 4-5

The verdict of you all

Henry Wade

Cover of The verdict of you all

The verdict of you all

Henry Wade

Level 4-5

Over the high side

Nicolas Freeling

Cover of Over the high side

Over the high side

Nicolas Freeling

Level 6

The mushroom cave

Robert J. Rosenblum

Cover of The mushroom cave

The mushroom cave

Robert J. Rosenblum

Level 4-5

The man who lost his wife

Julian Symons

Cover of The man who lost his wife

The man who lost his wife

Julian Symons

Level 6

Danger on the air

Elizabeth Steel

Cover of Danger on the air

Danger on the air

Elizabeth Steel

Level 7

Clive and the missing finger

Sarah Garland

Cover of Clive and the missing finger

Clive and the missing finger

Sarah Garland

Level 3

Dreamland Lake

Richard Peck

Cover of Dreamland Lake

Dreamland Lake

Richard Peck

Level 4-5

Jane Martin, dog detective

Eve Bunting

Cover of Jane Martin, dog detective

Jane Martin, dog detective

Eve Bunting

Level 2-3

Terror in Cairo

Annette Smith

Cover of Terror in Cairo

Terror in Cairo

Annette Smith

Level 4-5

The face of the crime.

Lillian O'Donnell

Cover of The face of the crime.

The face of the crime.

Lillian O'Donnell

Level 6

The mystery of Black Gut

Diana Walker

Cover of The mystery of Black Gut

The mystery of Black Gut

Diana Walker

Level 4-5

Nikos and the ikon

Terry Reid

Cover of Nikos and the ikon

Nikos and the ikon

Terry Reid

Level 3

The household traitors

Blackburn, John

Cover of The household traitors

The household traitors

Blackburn, John

Level 4-5

Agaton Sax and the diamond thieves

Nils-Olof Franzén

Cover of Agaton Sax and the diamond thieves

Agaton Sax and the diamond thieves

Nils-Olof Franzén

Level 4-5

Davis Doesn't Live Here Any More

Jack Ripley

Cover of Davis Doesn't Live Here Any More

Davis Doesn't Live Here Any More

Jack Ripley

Level 6

My God How the Money Rolls In

Jack Ripley

Cover of My God How the Money Rolls In

My God How the Money Rolls In

Jack Ripley

Level 4-5

Alibi for a corpse

Elizabeth Lemarchand

Cover of Alibi for a corpse

Alibi for a corpse

Elizabeth Lemarchand

Level 4-5

The black room

Colin Wilson

Cover of The black room

The black room

Colin Wilson

Level 7

It's murder with Dover

Joyce Porter

Cover of It's murder with Dover

It's murder with Dover

Joyce Porter

Level 4-5

Gently where the birds are

Alan Hunter

Cover of Gently where the birds are

Gently where the birds are

Alan Hunter

Level 4-5

Main line kill

Roger Busby

Cover of Main line kill

Main line kill

Roger Busby

Level 4-5

The hardliners

William Haggard

Cover of The hardliners

The hardliners

William Haggard

Level 4-5

Crooked wood

Michael Underwood

Cover of Crooked wood

Crooked wood

Michael Underwood

Level 4-5

The Howard Hughes affair

Stuart M. Kaminsky

Cover of The Howard Hughes affair

The Howard Hughes affair

Stuart M. Kaminsky

Level 6

The murders at Impasse Louvain

Richard Grayson

Cover of The murders at Impasse Louvain

The murders at Impasse Louvain

Richard Grayson

Level 4-5

Pool of tears

John William Wainwright

Cover of Pool of tears

Pool of tears

John William Wainwright

Level 6

A stench of poppies

Roger Longrigg

Cover of A stench of poppies

A stench of poppies

Roger Longrigg

Level 4-5

The Venus Fly-Trap

John William Wainwright

Cover of The Venus Fly-Trap

The Venus Fly-Trap

John William Wainwright

Level 4-5
Browse all 360 detective and mystery stories books

Questions parents ask about detective and mystery stories books

What are the best detective and mystery stories books for kids?
HootRated catalogs 360 detective and mystery stories children's books spanning Grade 1–8. Each is rated on reading level and content intensity. The picks above are sorted by quality signals — hook factor, discussion potential, and content appropriateness.
Are detective and mystery stories books appropriate for sensitive readers?
282 books (78%) are rated Gentle or Mild — safe for sensitive readers. 4 (1%) are rated Intense or Very Intense. Average intensity is 2/5. Filter by intensity badge to match your child's emotional readiness.
What reading level are detective and mystery stories books?
Detective and mystery stories books in our catalog span Grade 1–8. The typical reading level lands around Grade 5. Reading level measures text difficulty — separate from content intensity, which measures emotional weight. The two often don't track together for gifted readers — the Gifted Kid Paradox.