One stormy night, a massive black cloud descends on the ruined tower of Garten. Ivy crawls down the walls to drag the boulders back into place. The tower rebuilds itself. An army of hideous scarecrows appears out of nowhere to terrorize the villagers. They are nothing compared with what is about to arrive. Edgar Falchion is a boy with a typical boy's dreams. But his hypocritical neighbours are about to change all that. They need a scapegoat and Edgar is the perfect choice. Either he will go to the tower and face the Unknown or they will murder his mother and father. If only it were the...

Can a house actually choose who is to live under her roof? Can she communicate with her favourites and bring them home? Does a house have a soul? Can she tell right from wrong? Is it possible that she can see justice done? But would it be safe to live in such a place? And when she becomes angry and all hell breaks loose, what can one do to escape her? That is exactly what the Trefoil children must try and discover, if they aren't to be murdered in their beds. The ghost of a cuckoo, cracks in the walls that heal themselves, suits of armour which come to life, are but a few of the tricks up the...