In Aleronde the Great, the significance of Uncle Teddy's memoir and the Ambulatory are revealed, and one small act of kindness unleashes trouble of galactic proportions. The Aleronde Trilogy is three very different books but one epic sci-fi tale. Visitors from Earth witness the shocking downfall of Aleronde. They share an unexpected role in this catastrophe with a mysterious figure from the past who unpicks the fabric of the Aleronden empire with that most dangerous thing: an idea.