Cross-media picks for Gertrude Chandler Warner fans — films, series, games and books in the same vein.
If the Boxcar Children are in your reading history, you already know the pleasures this list is built around: hidden fortunes, strange disappearances, young people who ask one question too many, and the quiet satisfaction of a mystery solved. These films, shows, games and books share that same territory — curious kids, eerie places, and secrets that reward the persistent.
Film
Bookworm
A bookish girl's life is upended when her estranged magician father arrives and takes her on a camping adventure.
Film
Get a Clue
Kid sleuths pool their wits to crack a real disappearance — light, funny, and genuinely puzzle-driven.
Film
Finders Keepers
A haunted doll teaches one little girl why children shouldn't play with undead things.
Film
Candleshoe
A girl goes undercover to unmask a treasure scheme inside a grand English estate — classic hidden-fortune plotting.
Film
Beethoven's 5th
A mischievous dog sniffs out a legendary hidden fortune in an old mining town — breezy treasure-hunt fun.
Film
Miss Willoughby and the Haunted Bookshop
An heiress-adventurer, her butler, and a Jack Russell solve the mystery of a haunted bookshop.
Film
Sisters
A reporter witnesses a brutal murder and gets pulled into a layered mystery about twins and identity.
Film
Bunny Lake Is Missing
A child who may never have existed — an unsettling mystery where the evidence itself keeps vanishing.
Series
Detective School Q
Five young detectives tackle urban legends and labyrinthine cases — smart kids, real stakes, satisfying deductions.
Series
The Lying Game
Twin sisters, a switched identity, and secrets that spiral — mystery driven by family and hidden pasts.
Series
The Whispers
Children are being manipulated by an unseen force — an eerie mystery where nothing is quite as it seems.
Series
The Snoop Sisters
Two mystery-writing sisters solve actual murders — cozy, witty, and propelled by sharp amateur detective work.
Series
A Fading Summer
A young woman joining a newspaper discovers she is the daughter of a criminal in a kidnapping case.
Series
It
A group of outcast kids band together against an ancient evil — childhood friendship as the key to survival.
Series
The Sparticle Mystery
Every adult vanishes, leaving kids to figure out what happened and how to fix it — young sleuths, maximum stakes.
Series
Anthracite
A daughter digs into a cold case in a secretive mountain town — layered mystery with a personal heart.
Game
Sherlock Holmes: The Mystery of the Mummy
Step into Holmes's shoes and investigate a nobleman's suspicious death — classic clue-gathering adventure.
Game
Haunted
A spectral treasure hunt to find a lost sibling — ghost-world mystery with a warm sibling bond at its core.
Game
Tiny Bookshop
Run a cozy seaside bookshop and uncover quiet stories — gentle, book-loving, and full of small discoveries.
Game
The Roottrees are Dead
Untangle a 1990s inheritance mystery through family trees and clues — methodical, satisfying detective puzzle.
Game
Tiny Room Stories: Town Mystery
A private detective arrives in an empty town and must piece together every resident's fate.
Game
Freddi Fish 2: The Case of the Haunted Schoolhouse
Kid detectives investigate a haunted schoolhouse — playful mystery-solving with a young, curious hero.
Game
Beacon Pines
A boy and his friends investigate a mysterious warehouse inside a story that's literally a book — meta, creepy, charming.
Game
Bendy: Secrets of the Machine
Explore a dangerous machine full of hidden secrets and lurking threats — puzzle-driven discovery under pressure.
Book
The Return of the Graveyard Ghost
The Alden children investigate a graveyard ghost legend — classic Boxcar-adjacent mystery with spooky atmosphere.
Book
The Mystery of the Stolen Snowboard
The Aldens chase a stolen snowboard and uncover a bigger mystery around a star athlete.
Book
Benny's new friend
Benny anticipates a new friendship but is disappointed to find the new kid is a girl — a gentle story about assumptions.
Book
Mystery at the Masked Ball (Clue, #4)
A masked-ball murder puzzle where every suspect and every room matters — classic whodunit logic for young readers.
Book
Mystery in hidden hollow
Four kids clear their names by tracking down the real thief and a missing inheritance — resourceful young detectives.
Book
Arthur lost and found
Arthur and Buster fall asleep on the bus and wake up lost in a strange part of town.
Book
Lost and found
Samantha and her friends must focus all their attention on getting back to safety after adventure turns dangerous.
Book
The mystery of the haunted caves
Four scouts hunt for gold-rush treasure while solving the mystery of a hidden fortune — outdoor adventure meets puzzle.
Start with Get a Clue or Candleshoe for that same blend of young sleuths, hidden treasure, and light stakes. On TV, Detective School Q and The Sparticle Mystery both put capable kids at the centre of a real mystery.
Mystery in Hidden Hollow is the closest match — four children clear their names by finding the real thief and a missing inheritance. The Mystery of the Haunted Caves also delivers treasure-hunting kids in an outdoor setting.
Freddi Fish 2: The Case of the Haunted Schoolhouse is the most direct fit — a young detective, a strange haunting, and satisfying clue-gathering. Beacon Pines adds a storybook frame and a group of friends investigating something sinister.