Detective Work

Trixie Belden and the Mystery Off Glen Road

from $4.79

Trixie Belden and the Mysterious Visitor

from $5.99

The Amusement Park Mystery: The Boxcar Children Mysteries #25

from $4.49

Nate The Great And The Halloween Hunt

from $5.39

Secret of the Wooden Lady

from $3.69

The Mystery Horse (Boxcar Children Mysteries)

from $5.19

The Case of the Left-Handed Lady

from $4.79

Nancy Springer

from $4.99

The Clue of the Dancing Puppet (Nancy Drew Mystery Stories, #39)

Tree House Mystery (The Boxcar Children, #14)

from $4.19

Benny Uncovers a Mystery (The Boxcar Children, #19)

from $4.49

The Sinister Signpost (Hardy Boys, #15)

from $4.39

Franklin W. Dixon

from $4.69

The Absent Author (A to Z Mysteries, #1)

Ron Roy

from $3.59

The Disappearing Stranger (Adventures of the Northwoods

Lois Walfrid Johnson

from $4.99

The Mystery of the Spiral Bridge

Franklin W. Dixon

from $5.49

Freddy the Detective

Walter R. Brooks

from $6.49

Encyclopedia Brown Saves the Day (Encyclopedia Brown, #7)

Donald J. Sobol

from $4.19

Bus Station Mystery

from $5.29

The sky phantom

Trixie Belden and the Mystery in Arizona

from $5.59

from $6.39

Friendship

Nate the Great

Trixie Belden and the Secret of the Mansion

from $4.59

Gingerbread Cookie Murder

from $4.99

The Doorbell Rang

Pat Hutchins

from $4.39

Joanne Fluke

from $4.69

Nate the Great Goes Undercover (Nate the Great)

A Monstrous Regiment of Women

from $4.89

Laurie R. King

from $4.49

The Woodshed Mystery (The Boxcar Children, #7)

Trixie Belden and the Gatehouse Mystery

from $3.59

Trixie Belden and the Red Trailer Mystery

from $4.89

Encyclopedia Brown Solves Them All (Encyclopedia Brown, #5)

from $5.19

Donald J. Sobol

from $4.49

Claudia and the Bad Joke

Ann M. Martin

from $4.39

The secret in the old attic

Jerusalem Inn (Richard Jury Mystery, #5)

from $4.19

Martha Grimes

from $4.59

The Woman in the Library

Sulari Gentill

from $4.89

Sprinkle with Murder

Jenn McKinlay

from $5.49

How to Raise an Elephant

Alexander McCall Smith

from $5.59

Nate The Great And The Lost List (Nate The Great)

Agatha Raisin and the Deadly Dance

from $3.69

M.C. Beaton

from $3.99

Scooby Doo: Look and Find (Look and Find (Publications International))

Emily Thornton Calvo

from $5.69

The Clue in the Crumbling Wall (Nancy Drew Mystery Stories, #22)

The Cat Who Talked to Ghosts

from $4.39

Murder Investigations

from $3.99

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from $4.69

A Beautiful Blue Death

from $3.99

from $5.09

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The cat who...: Could read backwards - Ate modern Danish - Turned on and off

from $4.99

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Curtain: Poirot’s Last Case

Agatha Christie

from $3.99

Mystery

from $4.19

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from $5.09

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from $6.59

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The Man Who Died Twice

Richard Osman

from $9.49

The Mystery at Lilac Inn

from $4.79

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from $4.59

Miss Marple: The Complete Short Stories

Agatha Christie

from $4.69

Mystery Ranch (The Boxcar Children, #4)

Dirk Gently's Holistic Detective Agency

from $4.79

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Douglas Adams

from $4.29

The Last Detective

Robert Crais

from $3.59

Blueberry Muffin Murder

Joanne Fluke

from $4.29

Mystery, Thriller & Suspense

from $4.99

from $4.39

from $4.49

Three Women Disappear

James Patterson

from $5.09

Dance of The Bones

J.A. Jance

from $4.89

A Letter of Mary : A Novel of Suspense Featuring Mary Russell and Sherlock Holmes

Laurie R. King

from $4.49

The Shadow

Brian Sitts

from $4.79

The Twelve Clues of Christmas

Rhys Bowen

from $6.39

Murder on St. Mark's Place

Victoria Thompson

from $5.19

Bones of the Lost

Kathy Reichs

from $4.69

The Cat Who Ate Danish Modern

Lilian Jackson Braun

from $4.19

Agatha Christie's Detectives: Five Complete Novels (The Murder at the Vicarage / Dead Man's Folly / Sad Cypress / Towards Zero / N or M?)

Agatha Christie

from $5.49

As Chimney Sweepers Come to Dust

C Alan Bradley

from $6.49

The Hidden Window Mystery (Nancy Drew Mystery Stories, #34)