Welcome to Cornerstone Middle School where Shiloh and his friends have started middle school. What starts out as an uneventful day quickly spirals into the first of many mysteries and adventures to come. Shiloh, Evan, Max, Desirae, and Roxy team up to solve the mysteries together using their combined smarts and skills with help from Evan's crazy gadgets.

In book three, Shiloh and his 6th grade class are putting on a big production at the old Leroux Theater. The Leroux theater is big, beautiful, and…haunted? Odd creepy things start to happen that interrupt their rehearsals making them believe someone, or something, does not want the play to happen. Will they solve this mystery before someone gets hurt or will the Phantom win and shut it all down? Join them in this haunted tale of The Phantom of the School Play.

Onyx Kids School Days is a new series that chronicles the funny middle school adventures of Shiloh and his friends. The awkward growing pains that every kid can relate to are combined with a new mystery each day to unravel. Onyx Kids books are a spinoff of the original Onyx Kids that can be found on Onyx Flix and YouTube.