Read "The Brothers Karamazov" by Dostoyevsky, Fyodor for free. A classic public domain work covering brothers -- fiction, didactic fiction, fathers and sons -- fiction. Available in full text from Project Gutenberg.
Brothers -- Fiction
Didactic fiction
Fathers and sons -- Fiction
Russia -- Social life and customs -- 1533-1917 -- Fiction
This book is in the public domain. Free to read and download from Project Gutenberg.