Mystery

From the Mixed-Up Files of Mrs. Basil E. Frankweiler

The Boxcar Children

The Westing Game

Artemis Fowl

Serafina and the Black Cloak

Ginger Pye

Moon over Manifest

Stone Cold (Puffin Teenage Fiction)

The Master Puppeteer

This Is Not My Hat

When You Reach Me

The Hardy Boys (House on the Cliff / Secret of the Old Mill / Tower Treasure)

Investigators

One False Note

Gone-Away Lake (Gone-Away Lake #1)

The Golden Goblet

Get a Clue 2

Harriet the Spy

If at First You Do Not See

Mystery on the Docks

Mystery on the Docks 25th Anniversary Edition (Reading Rainbow Book)

A Spy on the Home Front

Among the Shadows

Amore alla corte degli zar

Aunt Jane's Nieces at Millville

Belly Up

Best of Enemies

Beware, Dawn!

By the Light of the Study Lamp

C'è un pirata in Internet

Caccia Al Tesoro a Roma

Caius geht ein Licht auf

Caius ist ein Dummkopf

Cam Jansen and the Mystery of the Dinosaur Bones

Cam Jansen and the Mystery of the Stolen Diamonds

Carnevale a Venezia

Chase

Choose Your Own Adventure - Ghost Hunter

Choose Your Own Adventure - The Mystery of Chimney Rock

Christina's Ghost

Clues in the Woods

Detective Dinosaur

Dinosaur Detectives

El galeón de los Gatos Piratas

Escape from the Island of Aquarius (Cooper Kids Adventures

Five Get into a Fix

Five Go Adventuring Again

Five Go Off to Camp

Five Go to Smuggler's Top

Five Go to the Mystery Moor

Five Have a Mystery to Solve

Five on a Secret Trail

Five on a Treasure Island

Five Run Away Together

Flesh and Blood

Footprints Under the Window

Fox Hunt Mystery

Friday Barnes, Girl Detective

From the Desk of Zoe Washington

George's Secret Key to the Universe

Geronimo's Valentine

Ghostly Gallery

Ginnie and the Mystery Light

Go Ahead, Secret Seven

Grosso Guaio a New York

Harry Potter and the Chamber of Secrets

Haunted House

Hit and Run Holiday

Hunting for Hidden Gold

Il castello di Zampaciccia Zanzamiao

Il Codice del Drago

Il Mostro DI Lago Lago

Il risveglio del Brividosauro

Il segreto del castello scozzese

Il segreto della Foresta Nera

Il tesoro di ghiaccio

In a Dark, Dark Room and Other Scary Stories

Kat's Mystery Gift

La Grotta Delle Stelle

La Montagna Parlante

Let's Get Invisible!

Lo smeraldo del principe indiano

Lo strano caso dei Giochi Olimpici

Lo strano caso del fantasma al Grand Hotel

Lo Strano Caso Del Ladro Di Cioccolato

Mandie and the Secret Tunnel (Mandie Books 1)

Marie: Mystery At The Paris Ballet, Paris, 1775

Mercy Watson Fights Crime

Mistero a Parigi

More Tales for the Midnight Hour (Point)

More Two Minute Mysteries

Murder on the Line

Mystery at Pemaquid Point

Mystery at Witchend

Mystery in Old Quebec

Mystery of the Lost Dogs

Mystery Stories

Nate Great Sticky Cas

Nate The Great (Nate The Great)

Night Fall

Old Man's Cave

Over Sea, Under Stone (The Dark Is Rising #1)

Over the Edge

Say Cheese and Die!

Scooby-Doo! Scooby-- Don't!

Second Form at Malory Towers

Secret Seven on the Trail

Shadow of a Doubt

Sherlock, Lupin, and Me

Shirley and Jamila Save Their Summer

Sognando Le Olimpiadi

Spy School

Stacey and the Missing Ring

Te lo do io il karate!

The Absent Author

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

The Arm of the Starfish (O'Keefe Family #1)

The Austere Academy

The Berenstain Bears

The Bungalow Mystery

The Case of the Cat's Meow

The Circus of Adventure

The Clue in the Diary

The Clue of the Dancing Puppet

The Clue of the Leaning Chimney

The Clue of the Velvet Mask

The Crisscross Shadow

The Deadliest Dare

The Door in the Hedge

The Door to Time (Ulysses Moore #1)

The Elusive Heiress

The Flying Saucer Mystery

The Gatehouse Mystery

The Ghost Belonged to Me

The Ghost in the Bell Tower

The Ghost Next Door

The Ghost Next Door

The Ghosts of Departure Point

The Greek Symbol Mystery

The Haunting of Horse Island

The Hidden Staircase

The Hostile Hospital

The House with a Clock in Its Walls

The Maze of Bones

The Missing Chums

The Moonstone Castle Mystery

The Mysterious Image

The Mystery at Claudia's House

The Mystery Horse

The Mystery of Monster Mountain

The Mystery of Tally-Ho Cottage

The Mystery of the Burnt Cottage

The Mystery of the Coughing Dragon

The Mystery of the Dead Man's Riddle

The Mystery of the Disappearing Cat

The Mystery of the Fiery Eye

The Mystery of the Flaming Footprints

The Mystery of the Green Ghost

The Mystery of the Invisible Dog

The Mystery of the Missing Necklace

The Mystery of the Moaning Cave

The Mystery of the Nervous Lion

The Mystery of the Secret Room

The Mystery of the Silver Spider

The Mystery of the Spiteful Letters

The Mystery of the Stuttering Parrot

The Mystery of the Talking Skull

The Mystery of the Tolling Bell

The Mystery of the Vanished Prince

The Mystery of the Vanishing Treasure

The Mystery of the Whispering Mummy

The Paris Connection

The Pink Motel

The Rat-a-tat Mystery

The Reptile Room

The Ring O' Bells Mystery

The Rocking Horse Secret

The Rooftop Mystery

The Sea of Adventure

The Secret of Phantom Lake

The Secret of Red Gate Farm

The Secret of Terror Castle

The Secret of the Fiery Chamber

The Secret of the Old Clock

The Secret of the Old Mill

The Secret of the Wooden Lady

The Secret Seven

The Secret Seven and the Tree House Adventure

The Secret Window

The Shore Road Mystery

The Sign of the Twisted Candles

The Sinister Omen

The Smuggler's Secrets

The Stranger

The Tale of the Nightly Neighbors (Are You Afraid of the Dark, #4)

The Witcher

Three Cheers, Secret Seven

Tintin en Amérique

Toliver's Secret

Trixie Belden and the Black Jacket Mystery

Trixie Belden and the Happy Valley Mystery

Trixie Belden and the Marshland Mystery #10

Trixie Belden and the Mysterious Code

Trixie Belden and the Mysterious Visitor

Trixie Belden and the Mystery at Bob-White Cave

Trixie Belden and the Mystery at Maypenny's

Trixie Belden and the Mystery of the Castaway Children

Trixie Belden and the Mystery on Cobbett's Island

Trixie Belden and the Mystery on the Mississippi

Trixie Belden and the Secret of the Mansion

Un Disparatado Viaje A Ratikistan

Una misteriosa lettera d'amore

Una truffa coi baffi

Welcome to Dead House

While the Clock Ticked

Who in the World Is Carmen Sandiego?

Who Killed Mr. Boddy? (Clue, #1)

Who Stole the Wizard of Oz?

William-the Detective