13 Book Collection: Calendar Mysteries January Joker, February Friend, March Mischief, April Adventure, May Magic, June Jam, July Jitters, August Acrobat, September Sneakers, October Ogre, November Night, December Dog, New Year's Eve Thieves

JANUARY JOKER:Bradley Pinto wakes up in the night to strange lights in his backyard, Are aliens in town. When he sees three-toed footprints in the snow, he's sure of it. His twin, Brian, and friends Lucy and Nate aren't so certain. But then Lucy's cousin Dink, the twins' brother, Josh, and Nate's sister, Ruth Rose, all disappear. FEBRUARY FRIEND:Valentine's Day party! Bradley is passing out valentines, but one of them has no name on it. Inside, the card tells the class to look in the closet. When they open the closet door, the kids find a rabbit named Douglas in a cage! MARCH MISCHIEF Bradley, Brian, Nate, and Lucy dress up a leprechaun statue for the town's yearly contest. They leave it out on the porch overnight, but the next morning, it's missing! Who is behind the mischief? APRIL ADVENTURE Dink, Josh, and Ruth Rose have hidden Easter eggs for the younger kids to find. Bradley, Brian, Nate, and Lucy have no trouble finding the plastic eggs. MAY MAGIC Bradley and Brian Pinto are getting ready to celebrate Mother's Day by treating their mom to a show by Hypo, the world's greatest hypnotist. JUNE JAM Bradley, Brian, Nate and Lucy are getting ready for Father's Day. They've decided that strawberry jam from the Pintos' strawberry patch would be a great gift. But something has been taking bites out of the strawberrys! JULY JITTERS:The kids and their pets are going to march in the 4th of July Pet Parade! The winner of the patriotic pet costume contest gets a great prize-to be mayor for a day!AUGUST ACROBAT:Bradley, Brian, Nate and Lucy go to trapeze school! But their high-flying fun is interrupted by another mystery to solve. SEPTEMBER SNEAKERS:On the first day of school, when they plan to bring her back, Goldi, the classroom hamster is missing! OCTOBER OGRE:It's Halloween, and the Shangri-la Hotel has been transformed into a haunted house, complete with an ogre out front.