Calendar Mysteries

Updated March 16, 2026
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January joker
Roy, Ron
Paper Book
It's a mystery every month from popular A to Z Mysteries author Ron Roy! January is for Joker...   In the first book of the Calendar Mysteries--an early chapter book mystery series featuring the younger siblings of the A to Z Mysteries detectives--Green Lawn has a...

Volume 1

February friend
Roy, Ron
Paper Book
It's a mystery every month from popular A to Z Mysteries author Ron Roy!   February is for Friend...  In the second book of the Calendar Mysteries--an early chapter book mystery series featuring the younger siblings of the A to Z Mysteries detectives--it's a...

Volume 2

March mischief
Roy, Ron
Paper Book
It's a mystery every month from popular A to Z Mysteries author Ron Roy! With the younger siblings of the A to Z Mysteries kids! March is for Madness... In the third book of the Calendar Mysteries - an early chapter book mystery series - it's St. Patrick's Day in...

Volume 3

April adventure
Roy, Ron
Paper Book
From the author of A to Z Mysteries comes a springtime egg hunt mystery featuring the younger siblings of the A to Z Mysteries kids! It's a mystery every month from popular A to Z Mysteries author Ron Roy! With the younger siblings of the A to Z Mysteries kids! ...

Volume 4

May magic
Roy, Ron
Paper Book

Volume 5

June jam
Roy, Ron 1940-
Paper Book
It's a mystery every month from popular A to Z Mysteries author Ron Roy! With the younger siblings of the A to Z Mysteries kids! June is for Jam... In the sixth book of the Calendar Mysteries - an early chapter book mystery series - Bradley, Brian, Nate, and...

Volume 6

July jitters
Roy, Ron
Paper Book

Volume 7

August acrobat
Roy, Ron
Paper Book

Volume 8

September Sneakers
Roy, Ron
Paper Book

Volume 9

October ogre
Roy, Ron
Paper Book
In the tenth book of the Calendar Mysteries, an early chapter-book mystery series featuring the younger siblings of the A to Z Mysteries detectives, there's a haunted house in Green Lawn! It's Halloween, and the Shangri-la Hotel has been transformed into a haunted house, complete with an ogre out...
November night /
Roy, Ron,
Paper Book
Solve a new November mystery with the younger siblings of the A to Z Mysteries kids! November is for Night... It's November, and there's a new mystery to solve. 'The twins' new neighbors are up to something! It's Thanksgiving, and a mysterious couple has moved in next...

Volume 11

December dog /
Roy, Ron,
Paper Book
It's a mystery every month from popular A to Z Mysteries author Ron Roy! With the younger siblings of the A to Z Mysteries kids! December is for Dog... In the twelfth book of the Calendar Mysteries- an early chapter book mystery series - Bradley, Brian, Nate,...

Volume 12

New Year's Eve thieves
Roy, Ron
Paper Book

Volume 13


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