In the book Posted by John David Anderson, . When cell phones are banned from his middle school, sticky notes replace previous electronic communication. Some of the sticky notes are nice, some are harmless, but some are mean and cause trouble.
As the weeks go on, the sticky notes seem to get meaner and meaner. Not only this but his tribe of friends becomes divided when a new girl, Rose, comes to town and joins them at lunch, setting off another chain reaction.
With Rose and the group splitting up, the need to pick sides grows, and the sticky notes seem to be escalating out of control. Frost is no longer sure about anything. I would recommend this book to any teen reader. You will be hanging onto every word wanting to know what will happen next!