Answer:
In Harper Lee's novel To Kill a Mockingbird, the children are intrigued by Boo Radley's story because it is full of intrigue and mystery. Boo is a mysterious figure who lives in their neighborhood, but no one ever sees him. He leaves little trinkets and gifts in the knothole of a tree for the children, and they are fascinated by his story and the possibility that he is a kind and generous person. The children are also intrigued by the fact that Boo is a recluse who never leaves his house, which adds to the mystery of who he is and why he has chosen to remain hidden from the world.