Two best friends and private investigators are on a new case as they are hired by an eccentric millionaire to sole the mystery of where the location of a time capsule buried in 1865 is and inside said capsule is the document proving who is the rightful owner of the land! Sloane and Amelia have solved a few big cases but this new case could make them famous! They are hired by an eccentric millionaire after he saw their Youtube documentary series and wants them to locate the hidden time capsule that has documents that prove that his ancestors are the rightful owner of the lands that the Cedar Point Amusement Park is currently on. If those documents are found millions could be made! Sloane and Amelia are determined to solve this case and make it big, but with their schoolmates bent on destroying their reputation and a ghostly spector messing with their camera and equipment... they have their work cut out for them! This was a cute middlegrade mystery that would make a fun read for any middlegrade mystery readers.

*Thanks Netgalley and Simon and Schuster Children's Publishing, Margaret K. McElderry Books for sending me an arc in exchange for an honest review*