Bradley, Brian, Nate, and Lucy enter Polly the pony and Pal the dog in a July 4th pet costume contest, but when Independence Day arrives the animals are nowhere to be found. Illustrations.
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

July is for Jitters...

In the seventh book of the Calendar Mysteries - an early chapter book mystery series - 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?

Parents, teachers, and librarians agree that these highly collectible chapter books are pefect for emerging readers and any kid who loves mysteries