123 books in series

The Boxcar Children

The Boxcar Children is a 123-book series with 123 released primary works first released in 1924 with contributions by Gertrude Chandler Warner, Shannon Eric Denton, Charles Tang, Denise Shanahan, Hodges Soileau, Robert Papp, Tim Jessell, and Anthony VanArsdale.

The Boxcar Children
The Yellow House Mystery
Mystery Ranch
The Boxcar Children 5-8
The Woodshed Mystery
The lighthouse mystery.
Schoolhouse Mystery
Caboose Mystery
Houseboat Mystery
Snowbound Mystery
Tree House Mystery
Mystery Behind the Wall
Bus Station Mystery
Benny Uncovers a Mystery
The Haunted Cabin Mystery
The Deserted Library Mystery
The Animal Shelter Mystery
The Mystery of the Hidden Painting
The Amusement Park Mystery
The Mystery of the Mixed-up Zoo
The Camp-Out Mystery
The Mystery Girl
The Disappearing Friend Mystery
The Mystery in the Snow
The Pizza Mystery
The Mystery at the Dog Show
The castle mystery
The Mystery Of The Lost Village
The Mystery of the Purple Pool
The Canoe Trip Mystery
Mystery of the Missing Cat #42
The Boxcar Children The Dinosaur Mystery
The Mystery of the Stolen Music
The Chocolate Sundae Mystery
The Mystery of the Hot Air Balloon
The Mystery Bookstore
Boxcar Children: Mystery of the Stolen Boxcar
The Mystery on the Train
The Guide Dog Mystery
The Mystery in San Francisco
The Outer Space Mystery
The Soccer Mystery
The Growling Bear Mystery
The Mystery of the Lake Monster
The Mystery of Peacock Hall
The Black Pearl Mystery
The Cereal Box Mystery
The Mystery of the Stolen Sword
The Basketball Mystery
The Movie Star Mystery
The Mystery of the Pirate's Map
The Ghost Town Mystery
The Mystery in the Mall
The Gymnastics Mystery
The Poison Frog Mystery
The Great Bicycle Race Mystery
The mystery of the wild ponies
The Mystery in the Computer Game
The Mystery at the Crooked House
The Hockey Mystery
The Mystery of the Midnight Dog
Cover 8

The Summer Camp Mystery

The Copycat Mystery
The Haunted Clock Tower Mystery
The Disappearing Staircase Mystery
The Mystery of the Mummy's Curse
The Mystery of the Star Ruby
Cover 7

The Stuffed Bear Mystery

Cover 5

The Tattletale Mystery

The Comic Book Mystery
Cover 6

The Ice Cream Mystery

The Midnight Mystery
Mystery of the Fortune Cookie
The Radio Mystery
The Mystery of the Runaway Ghost
The Finders Keepers Mystery
Cover 2

The Mystery Of The Haunted Boxcar

The Sword of the Silver Knight
The Game Store Mystery
The Mystery of the Orphan Train
The Vanishing Passenger
The Creature in Ogopogo Lake
The Rock 'n' Roll Mystery
The Secret of the Mask
The Seattle Puzzle
The Ghost in the First Row
The Box That Watch Found
A Horse Named Dragon
The Great Detective Race
The Ghost at the Drive-In Movie
The Mystery Of The Traveling Tomatoes
The Spy Game
The Dog-gone Mystery
The Vampire Mystery
Superstar Watch
The Spy in the Bleachers
The Amazing Mystery Show
The Pumpkin Head Mystery
The Zombie Project
The Great Turkey Heist
The Garden Thief
The Boardwalk Mystery
The Mystery of the Fallen Treasure
The Return of the Graveyard Ghost
The Mystery of the Wild West Bandit
The Mystery of the Soccer Snitch
The Mystery of the Grinning Gargoyle
Cover 6

The Mystery of Missing Pop Idol

Cover 5

The Mystery of Stolen Dinosaur Bones

The Mystery at the Calgary Stampede
Cover 2

The Sleepy Hollow Mystery

The Legend of the Irish Castle
The Celebrity Cat Caper
Hidden in the Haunted School
The Election Day Dilemma
The Doughnut Whodunit
The Robot Ransom
The Legend of the Howling Werewolf
The Day of the Dead Mystery
Cover 5

The Hundred-Year Mystery

Cover 0

The Sea Turtle Mystery

Cover 6

Secret on the Thirteenth Floor

Cover 4

The Power Down Mystery

Mystery at Camp Survival
The Mystery of the Forgotten Family
The Skeleton Key Mystery
Cover 7

Science Fair Sabotage

The Great Greenfield Bake-Off
The Mystery in the Magic Shop
Cover 2

The Boxcar Children Mysteries Boxed Set #5-8