Detective Work

Trixie Belden and the Mystery Off Glen Road

from $3.79

Trixie Belden and the Mysterious Visitor

from $4.89

The Amusement Park Mystery: The Boxcar Children Mysteries #25

from $4.89

Nate The Great And The Halloween Hunt

from $3.69

Secret of the Wooden Lady

from $3.99

The Mystery Horse (Boxcar Children Mysteries)

from $4.09

The Case of the Left-Handed Lady

from $4.19

Nancy Springer

from $5.09

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

Tree House Mystery (The Boxcar Children, #14)

from $3.89

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

from $4.19

The Sinister Signpost (Hardy Boys, #15)

from $4.39

Franklin W. Dixon

from $3.59

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

Ron Roy

from $3.59

The Disappearing Stranger (Adventures of the Northwoods

Lois Walfrid Johnson

from $5.99

The Mystery of the Spiral Bridge

Franklin W. Dixon

from $3.89

Freddy the Detective

Walter R. Brooks

from $6.09

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

Donald J. Sobol

from $4.19

Bus Station Mystery

from $3.89

The sky phantom

Trixie Belden and the Mystery in Arizona

from $4.09

from $4.79

Friendship

Nate the Great

Trixie Belden and the Secret of the Mansion

from $3.59

Gingerbread Cookie Murder

from $5.49

The Doorbell Rang

Pat Hutchins

from $3.59

Joanne Fluke

from $4.79

Nate the Great Goes Undercover (Nate the Great)

A Monstrous Regiment of Women

from $7.30

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 $3.99

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

from $5.69

Donald J. Sobol

from $3.99

Claudia and the Bad Joke

Ann M. Martin

from $3.59

The secret in the old attic

Jerusalem Inn (Richard Jury Mystery, #5)

from $3.99

Martha Grimes

from $5.19

The Woman in the Library

Sulari Gentill

from $6.29

Sprinkle with Murder

Jenn McKinlay

from $6.19

How to Raise an Elephant

Alexander McCall Smith

from $7.29

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

Agatha Raisin and the Deadly Dance

from $3.69

M.C. Beaton

from $4.19

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

Emily Thornton Calvo

from $4.89

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

The Cat Who Talked to Ghosts

from $4.49

Murder Investigations

from $4.39

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from $4.39

A Beautiful Blue Death

from $3.99

from $4.79

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from $4.19

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

from $7.19

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from $4.19

from $4.09

Curtain: Poirot’s Last Case

Agatha Christie

from $4.19

Mystery

from $6.49

from $3.79

from $3.89

from $3.99

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from $4.19

from $7.19

from $4.29

The Man Who Died Twice

Richard Osman

from $9.29

The Mystery at Lilac Inn

from $3.59

from $4.29

from $5.39

Miss Marple: The Complete Short Stories

Agatha Christie

from $6.09

Mystery Ranch (The Boxcar Children, #4)

Dirk Gently's Holistic Detective Agency

from $3.59

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from $3.59

from $3.79

Douglas Adams

from $3.99

The Last Detective

Robert Crais

from $3.99

Blueberry Muffin Murder

Joanne Fluke

from $5.39

Mystery, Thriller & Suspense

from $4.29

from $4.29

from $3.89

Three Women Disappear

James Patterson

from $4.39

Dance of The Bones

J.A. Jance

from $4.79

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 $6.09

Murder on St. Mark's Place

Victoria Thompson

from $6.19

Bones of the Lost

Kathy Reichs

from $3.59

The Cat Who Ate Danish Modern

Lilian Jackson Braun

from $3.59

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 $4.99

As Chimney Sweepers Come to Dust

C Alan Bradley

from $5.19

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