With equipment to demolish the old school building waiting nearby, "The Keepers" are running out of time, and discoveries suggested by two final clues remain unsolved. Adding to the stress, the team is on the edge of fracturing. Can Ben keep the peace, help the team make progress, and preserve the building so loved by him and the community? Clements has crafted a remarkable story. Not only will the mystery and treasure hunt elements captivate young readers, but the character development of all major characters provides plenty of material for thought and discussion. The series provides captivating reading all the way through! From the author of Frindle, Ben and his friends have just three days left to save their school or it will be bulldozed before their very eyes. The conclusion to Andrew Clements's dynamic Keepers of the School series!

The Keepers of the School--known to their friends as Ben, Jill, and Robert--have one last chance to save their school before it's torn down to make room for a seaside amusement park. But their nemeses, Janitors Lyman and Wally, are just as determined to keep the kids out of the way and the demolition on schedule.

One way or the other, this battle is about to come to a head. When all is said and done, will the school still be standing? Or will everything the Keepers have fought for be destroyed?