Book Series · 34 Books

Cam Jansen Books

In order from The Mystery of the Stolen Diamonds to The Joke House Mystery.

The Mystery of the U.F.O.
The Mystery of the Stolen Diamonds
The Mystery of the Dinosaur Bones
The Mystery of the Television Dog
The Mystery of the Gold Coins
Where the story begins

First Book in the Series

The Mystery of the Stolen Diamonds
Sale price
$574
Book #1 · Chapter Book · Ages 7–9 · 1980

The Mystery of the Stolen Diamonds

By David A. Adler, Susanna Natti (Illustrator)

A young girl with a photographic memory helps solve a jewelry store robbery with her friend and her friend's baby brother

58 pages· 4,761 words· Est. 53 min read
$5.99Save 4%
In reading order

Cam Jansen Series

34 books · Published 1980–2014

#2

The Mystery of the U.F.O.

Chapter Book · Ages 7–9 · 1980

Two friends investigate mysterious lights in the sky that may be a UFO

#1
The Mystery of the Stolen Diamonds
Sale price
$574

The Mystery of the Stolen Diamonds

Chapter Book · Ages 7–9 · 1980

A young girl with a photographic memory helps solve a jewelry store robbery with her friend and her friend's baby brother

#3
The Mystery of the Dinosaur Bones
Sale price
$574

The Mystery of the Dinosaur Bones

Chapter Book · Ages 7–10 · 1980

A museum trip turns mysterious when dinosaur bones vanish. Can Cam solve it?

#4

The Mystery of the Television Dog

Chapter Book · Ages 7–9 · 1981

A group of kids team up to solve a mystery involving a missing famous television dog.

#5
The Mystery of the Gold Coins
Sale price
$574

The Mystery of the Gold Coins

Chapter Book · Ages 6–10 · 1982

A young detective solves mysteries with her photographic memory.

#6
The Mystery of the Babe Ruth Baseball
Sale price
$574

The Mystery of the Babe Ruth Baseball

Chapter Book · Ages 7–9 · 1982

A young girl with a photographic memory helps solve the mystery of a stolen baseball signed by Babe Ruth

#7
The Mystery of the Circus Clown
Sale price
$574

The Mystery of the Circus Clown

Chapter Book · Ages 7–10 · 1983

A young detective solves mysteries with her photographic memory.

#8
The Mystery of the Monster Movie
Sale price
$574

The Mystery of the Monster Movie

Chapter Book · Ages 7–10 · 1984

A young girl with a photographic memory helps solve the mystery of a missing movie reel

#9
The Mystery of the Carnival Prize
Sale price
$574

The Mystery of the Carnival Prize

Chapter Book · Ages 7–10 · 1984

A young detective solves mysteries with her photographic memory.

#10
The Mystery at the Monkey House
Sale price
$574

The Mystery at the Monkey House

Chapter Book · Ages 7–9 · 1985

Monkeys vanish at the zoo. Can Cam's memory solve the mystery?

#11
The Mystery of the Stolen Corn Popper
Sale price
$574

The Mystery of the Stolen Corn Popper

Chapter Book · Ages 7–10 · 1986

Young detective solves mysteries with a photographic memory.

#12

The Mystery of Flight 54

Chapter Book · Ages 7–9 · 1989

A girl vanishes at the airport. Can Cam's memory solve the mystery?

#13
The Mystery at the Haunted House
Sale price
$574

The Mystery at the Haunted House

Chapter Book · Ages 7–10 · 1992

A missing wallet at the amusement park leads to a spooky mystery.

#14
The Chocolate Fudge Mystery
Sale price
$574

The Chocolate Fudge Mystery

Chapter Book · Ages 7–9 · 1993

Two kids help the police solve a bank robbery case.

#15
The Triceratops Pops Mystery
Sale price
$574

The Triceratops Pops Mystery

Chapter Book · Ages 7–9 · 1995

Young detective solves mysteries with her photographic memory.

#16
The Ghostly Mystery
Sale price
$574

The Ghostly Mystery

Chapter Book · Ages 7–9 · 1996

A ghostly figure causes chaos at a ticket booth. Can Cam solve the mystery?

#17
The Scary Snake Mystery
Sale price
$574

The Scary Snake Mystery

Chapter Book · Ages 7–9 · 1997

A snake loose in the library and a stolen purse—are they connected?

#18
The Catnapping Mystery
Sale price
$574

The Catnapping Mystery

Chapter Book · Ages 7–9 · 1998

A cat and bellhop vanish at a hotel. Can Cam solve the mystery?

#19
The Barking Treasure Mystery
Sale price
$574

The Barking Treasure Mystery

Chapter Book · Ages 7–10 · 1999

A boat ride turns into a mystery when a jeweled poodle vanishes. Can Cam solve it?

#20
The Birthday Mystery
Sale price
$574

The Birthday Mystery

Chapter Book · Ages 7–9 · 2000

A surprise party turns into a mystery when a robbery occurs. Can Cam solve it?

#21
The School Play Mystery
Sale price
$574

The School Play Mystery

Chapter Book · Ages 7–9 · 2001

Can Cam solve the mystery of the missing school play money before it's too late?

#22
The First Day of School Mystery
Sale price
$574

The First Day of School Mystery

Chapter Book · Ages 7–10 · 2002

A teacher's arrest on the first day of school sparks a mystery only Cam Jansen can solve.

#23
The Tennis Trophy Mystery
Sale price
$574

The Tennis Trophy Mystery

Chapter Book · Ages 7–10 · 2003

A missing trophy leads Cam on a clue-filled mystery hunt.

#24
The Snowy Day Mystery
Sale price
$574

The Snowy Day Mystery

Chapter Book · Ages 7–9 · 2004

Three computers vanish. Only footprints and a locked window remain.

#25
The Valentine Baby Mystery
Sale price
$474

The Valentine Baby Mystery

Chapter Book · Ages 7–9 · 2005

A hospital visit turns mysterious when something valuable vanishes. Can it be found before a new sibling arrives?

#26
The Secret Service Mystery
Sale price
$499

The Secret Service Mystery

Chapter Book · Ages 7–10 · 2006

A loud bang disrupts a school event. Was it a gunshot or a cover-up? Cam Jansen investigates.

#27
The Mystery Writer Mystery
Sale price
$474

The Mystery Writer Mystery

Chapter Book · Ages 7–10 · 2007

A car vanishes at a book fair. Can Cam Jansen solve the mystery first?

#28
The Green School Mystery
Sale price
$474

The Green School Mystery

Chapter Book · Ages 7–9 · 2008

Coins vanish at a school event. Can a young detective solve the mystery?

#29

The Basketball Mystery

Chapter Book · Ages 7–9 · 2009

A signed basketball vanishes at a game. Can Cam's memory crack the case?

#30

The Wedding Cake Mystery

Chapter Book · Ages 7–9 · 2010

A wedding cake vanishes. Can Cam's memory crack the case before the big day?

#31
The Graduation Day Mystery
Sale price
$474

The Graduation Day Mystery

Chapter Book · Ages 7–10 · 2011

A special gift vanishes at a graduation. Can a young sleuth solve the mystery before the celebration is ruined?

#32

The Millionaire Mystery

Picture Book · Ages 4–8 · 2012

A pearl necklace vanishes at a charity event. Can Cam solve the mystery before the thief escapes?

#33

The Spaghetti Max Mystery

Chapter Book · Ages 7–10 · 2013

Cam Jansen must solve a double mystery at the airport without clues.

#34
The Joke House Mystery
Sale price
$574

The Joke House Mystery

Chapter Book · Ages 7–10 · 2014

A prize vanishes at a comedy contest. Can Cam solve the mystery before the laughs end?

Companion series

Young Cam Jansen Series

20 books · Published 1996–2014

#1

Young Cam Jansen and the Dinosaur Game

Picture Book · Ages 6–8 · 1996

Can a photographic memory solve a birthday party mystery?

#2

Young Cam Jansen and the Missing Cookie

Chapter Book · Ages 6–8 · 1996

A missing lunch sparks a mystery only Cam's memory can solve.

#3
Young Cam Jansen and the Lost Tooth
Sale price
$474

Young Cam Jansen and the Lost Tooth

Chapter Book · Ages 6–8 · 1997

A missing tooth challenges Cam's photographic memory. Can she solve the mystery?

#4
Young Cam Jansen and the Ice Skate Mystery
Sale price
$474

Young Cam Jansen and the Ice Skate Mystery

Chapter Book · Ages 6–8 · 1998

A lost key at the ice rink tests Cam's photographic memory.

#5
Young Cam Jansen and the Baseball Mystery
Sale price
$474

Young Cam Jansen and the Baseball Mystery

Chapter Book · Ages 6–8 · 1999

A missing baseball challenges Cam's memory skills.

#6

Young Cam Jansen and the Pizza Shop Mystery

Chapter Book · Ages 6–8 · 2000

A missing jacket at a pizza parlor sparks a mystery.

#7
Young Cam Jansen and the Library Mystery
Sale price
$474

Young Cam Jansen and the Library Mystery

Chapter Book · Ages 6–8 · 2001

A missing shopping list leads to a library mystery. Can it be solved?

#8
Young Cam Jansen and the Double Beach Mystery
Sale price
$474

Young Cam Jansen and the Double Beach Mystery

Chapter Book · Ages 6–8 · 2002

A beach day turns mysterious when Cam's mom vanishes. Can Cam's memory solve it?

#9
Young Cam Jansen and the Zoo Note Mystery
Sale price
$474

Young Cam Jansen and the Zoo Note Mystery

Chapter Book · Ages 6–8 · 2003

Eric's lost permission slip threatens his zoo trip. Can Cam's memory save the day?

#10
Young Cam Jansen and the New Girl Mystery
Sale price
$499

Young Cam Jansen and the New Girl Mystery

Chapter Book · Ages 6–8 · 2004

A new student vanishes during gym class. Can her friends solve the mystery?

#11

Young Cam Jansen and the Substitute Mystery

Chapter Book · Ages 6–8 · 2005

A substitute teacher's missing items spark a mystery. Was it theft?

#12
Young Cam Jansen and the Spotted Cat Mystery
Sale price
$499

Young Cam Jansen and the Spotted Cat Mystery

Chapter Book · Ages 6–8 · 2006

A mysterious cat appears in the classroom. Can Cam solve the mystery?

#13

Young Cam Jansen and the Lions' Lunch Mystery

Chapter Book · Ages 6–8 · 2007

A missing sandwich at the zoo sparks a mystery only Cam's memory can solve.

#14
Young Cam Jansen and the Molly Shoe Mystery
Sale price
$474

Young Cam Jansen and the Molly Shoe Mystery

Chapter Book · Ages 6–8 · 2008

Cam Jansen must solve the mystery of Aunt Molly's missing high heels.

#15

Young Cam Jansen and the 100th Day of School Mystery

Chapter Book · Ages 6–8 · 2009

A missing pizza challenges a young detective's photographic memory at a school party.

#16
Young Cam Jansen and the Speedy Car Mystery
Sale price
$474

Young Cam Jansen and the Speedy Car Mystery

Chapter Book · Ages 6–8 · 2010

A remote-controlled car vanishes at the Green Fair. Can Cam solve the mystery?

#17
Young Cam Jansen and the Circus Mystery
Sale price
$1398

Young Cam Jansen and the Circus Mystery

Picture Book · Ages 5–8 · 2011

A young girl and her friends solve a mystery at the circus

#18

Young Cam Jansen and the Magic Bird Mystery

Picture Book · Ages 6–8 · 2012

A bird vanishes during a magic show. Can Cam find it before it's lost forever?

#19

Young Cam Jansen and the Goldfish Mystery

Chapter Book · Ages 6–8 · 2013

Two goldfish vanish. Can Cam's memory crack the case?

#20

Young Cam Jansen and the Knock, Knock Mystery

Chapter Book · Ages 6–8 · 2014

Mysterious knocks disturb a sleepy visit. Can Cam uncover the truth?

Companion series

Cam Jansen Mysteries Super Specials Series

2 books · Published 2007–2009

#1
The Summer Camp Mysteries
Sale price
$574

The Summer Camp Mysteries

Chapter Book · Ages 7–10 · 2007

A summer camp mystery challenges a young sleuth's photographic memory.

#2

The Sports Day Mysteries

Chapter Book · Ages 7–10 · 2009

A school sports day turns mysterious with three unexpected puzzles.

Good to know

Common Questions

How many books are in the Cam Jansen series?

There are 34 books in the Cam Jansen series. It began with The Mystery of the Stolen Diamonds in 1980, and the newest book, The Joke House Mystery, was published in 2014.

What order should you read the Cam Jansen books in?

Start with The Mystery of the Stolen Diamonds and follow the series order — the books above are numbered #1 through #34.

What ages are the Cam Jansen books best for?

The series is best for ages 4–10, based on the age ranges of the individual books.

The people

The Creatives Behind the Books

The authors and illustrators who bring Cam Jansen to life.

01

David A. Adler

Author
02

Susanna Natti

Illustrator
03

Joy Allen

Illustrator

Keep exploring

Similar Series

Dinosaurs Before Dark

Magic Tree House

Ages 6–9
Gooney Bird Greene

Gooney Bird Greene

Ages 6–9
The Beginning

The Secret of the Hidden Scrolls

Ages 6–9
Dragons and Marshmallows

Zoey and Sassafras

Ages 7–10
Mindy Kim and the Yummy Seaweed Business

Mindy Kim

Ages 6–8
Keena Ford and the Second-Grade Mix-Up

Keena Ford

Ages 6–8
Ruby Lu, Brave and True

Ruby Lu

Ages 6–10
Anna Hibiscus

Anna Hibiscus

Ages 6–9

Bookroo

  • About Us
  • Blog
  • FAQs
  • Help Center
  • Contact Us
  • Affiliates

Book Clubs

Follow Bookroo