A Puzzle for Percy

A Puzzle for Percy is a magazine story.

Plot
Percy is given a very important job, but is not told what it is; all he knows is that he must collect telegraph poles from the Timber Yard, tyres and rope from the Dump, and sand from the Sandworks and take them to a secret location. A few weeks later, Percy is invited to the secret location, where he discovers a new playground.

Characters

 * Thomas
 * Gordon
 * Percy
 * Sir Topham Hatt