Sebastian, Jacob and their friends from 2C are back for a final exciting adventure at Hubbell Elementary School.
April Fool's Day dawns as a beautiful spring day -- warm and sunny after a cold and snowy winter. Arriving at school, Sebastian and his friends find their classroom in a shambles. Books, papers and chairs are scattered all over the place, and a strange presence seems to be affecting everyone.
Will Sebastian, Jacob and their friends be able to help their friendly school ghosts find the offenders and bring them to justice before the destruction spreads?
The Hubbell Ghost is No Fool is the third book in the series, following 10 Reasons We Lied About the Hubbell Ghost and A Valentine for the Hubbell Ghost.