January Joker
A group of kids try to figure out what is happening when their friends and pets start disappearing.
Book Series · 13 Books
In order from January Joker to July Jitters. Part of A to Z Mysteries.
A group of kids try to figure out what is happening when their friends and pets start disappearing.
13 books · Published 2009–2014
A group of friends try to find the owner of a mysterious rabbit that was left in their classroom closet.
A group of kids try to figure out what is happening when their friends and pets start disappearing.
Four kids search for hidden Easter eggs and solve a mystery involving a family of swans.
A group of kids try to solve the mystery of stolen leprechaun statues in their town.
A family's life is turned upside down when the mother is hypnotized and starts acting like a duck.
A group of kids work together to solve the mystery of a garden monster that is eating their strawberries
Four kids try to uncover the mystery of their new neighbors' secret project in their backyard
Four friends try to solve a mystery involving a stolen laptop and a suspicious couple in their town.
Pets vanish before a Fourth of July parade. Can the kids find them in time?
Four friends try to solve the mystery of a haunted house on Halloween night
A group of kids try to help a struggling circus by finding a mysterious acrobat.
A missing hamster and mysterious sneakers lead four friends on a puzzling quest.
A lost puppy on Christmas Eve leads to a mystery. Can the kids find its owner?
There are 13 books in the Calendar Mysteries series. It began with January Joker in 2009, and the newest book, July Jitters, was published in 2014.
Start with January Joker and follow the series order — the books above are numbered #1 through #13.
The series is best for ages 6–9, based on the age ranges of the individual books.
New Year's Eve Thieves is the longest book in the series at 7,147 words (80 pages).
October Ogre is the shortest at 6,158 words (80 pages).
The authors and illustrators who bring Calendar Mysteries to life.
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