Suspicious package that evacuated High School Library found to contain a book

The bomb squad has determined that a suspicious package discovered at the Chico High School library contained a book.
The school was placed under a lockdown at 12:36 p.m., followed by the evacuation of all students beginning at 1:50 p.m. The investigation was being centered around the school’s library where staff had discovered the package.

(No, this isn’t from The Onion)