The running man

Joseph is a quiet boy who loves to draw. A school assignment sends him into the lives of Tom Leyton and his sister, Caroline. Tom is a recluse and the town gossips about him behind his back, mouthing cruel explanations for his inability to work and socialize. Joseph begins to draw Tom and learns of Tom's love for silkworms, and, gradually, the two form a friendship.

The silkworm theme in this book is beautiful and finely woven (sorry) into the book. It's perfect for Tom and Joseph and their relationships with others.

The Running Man has to be one of the strongest children's books I have read from the 1001 list.