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!With the younger siblings of the A to Z Mysteries kids! January is for Joker... In thefirst book of the Calendar Mysteries-an early chapter book mystery series-Green Lawnhas a problem!...

Volume 1

February friend
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! February is for Friend... In the secondbook of the Calendar Mysteries-an early chapter book mystery series -it's a Valentine'sDay...

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
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! May is for Magic... In the fifth book of the Calendar Mysteries - an early chapter book mystery series - twins Bradly and Brian are...

Volume 5

June jam
Roy, Ron
Paper Book
As a Father's Day gift to the twins' dad, Bradley, Brian and their friends Lucy and Nate try to find out what is biting fruits and vegetables in the garden.

Volume 6

July jitters
Roy, Ron
Paper Book
It's a mystery every month from popular A to Z Mysteries author Ron Roy! July is for Jitters... In the seventh book of the Calendar Mysteries - an early chapter book mystery series featuring the younger siblings of the A to Z Mysteries detectives - the mayor is having...

Volume 7

August acrobat
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! August is for Acrobat... In the eigth book of the Calendar Mysteries - an early chapter book mystery series - something...

Volume 8

September Sneakers
Roy, Ron
Paper Book
Someone has been stealing and leaving behind little green sneakers, so Bradley, Brian, Nate, and Lucy trail their new teacher, who wears the same shoes in normal size.

Volume 9

October ogre
Roy, Ron
Paper Book
Carve out family time for this Halloween read starring the younger siblings of the A to Z Mysteries kids! October is for Ogre... In the tenth book of the Calendar Mysteries - an early chapter book mystery series - there's a haunted house in Green Lawn! It's...
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
It's a mystery every month from A to Z Mysteries author Ron Roy! Who knew there were thirteen months in a year? It's an extra thirteenth book of the Calendar Mysteries! Bradley, Brian, Nate, and Lucy are looking forward to a New Year's Eve party. But someone is leaving clues that...

Volume 13


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