It's a mystery every month from popular A to Z Mysteries author Ron Roy!
July is for Jitters: In the seventh audiobook 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 a special Fourth of July contest; the person whose pet has the best Independence Day costume gets to be mayor for a day! Bradly, Brian, Nate, and Lucy transform Polly the pony into Thomas Jefferson and Pal the dog into the Declaration of Independence. But when the pet parade rolls around, the animals are nowhere to be found! Maybe they have stage fright. Can the kids find their dressed-up pets and calm them down betfore the Fourth of July fun begins?
August is for Acrobat: In the eigth audiobook of the Calendar Mysteries, something special is coming to Green Lawn - a traveling circus! But when the performers arrive, they need help. Their show is a mess, and Bradley, Brian, Nate, and Lucy are happy to chip in. They fix up the equipment and find dazzling new acts, but what the show needs most is an acrobat. No one in town is brave enough to go up on the high trapeze, except for one mysterious masked person. If the kids could find out who it is, this might be the best circus ever - but it seems as if this acrobat doesn't want to be found!
September Sneakers: In the ninth audiobook of the Calendar Mysteries, Bradley, Brian, Nate, and Lucy have taken care of the first-grade class hamster, Goldi, for the summer. But on the first day of school, when they plan to bring her back, Goldi is missing! In place of her cage is a green-and-orange sneaker key chain. Soon, the kids spot green-and-orange sneakers all over Green Lawn. And they find out other things have been disappearing around town, too. Can the four friends track down the sneaker sneak and get Goldi back? 

October Ogre: In the tenth audiobook of the Calendar Mysteries, 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 front. Bradley, Brian, Nate, and Lucy are ready for some scary fun, but then they notice that none of the kids who have gone in the hotel have come back out. What's happening to them? Ghosts and witches and ogres aren't real . . . right?
November Night: In the eleventh audiobook of the Calendar Mysteries, it's November, and the younger siblings of the A to Z Mysteries detectives have a new mystery to solve. ’’The twins' new neighbors are up to something! It's Thanksgiving, and a mysterious couple has moved in next door. Bradley, Brian, Nate, and Lucy must work out the clues: The neighbors have built a tall wooden fence. They've bought some strange parts for making . . . something. They've even put up a suspicious tent in their backyard, with a big, scary dog to guard it. What could they possibly be hiding?  

December Dog: In the twelfth audiobook of the Calendar Mysteries, Bradley, Brian, Nate, and Lucy find a lost puppy on Christmas Eve. The poor dog was meant to be a present for someone. It has a ribbon with a tag around its neck, but the tag is ripped. Can the kids find out who bought the puppy or who was supposed to receive it? 
New Year's Eve Thieves: 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 there might be more to this celebration than confetti and noisemakers. The year ends with a surprise...