"By the River Piedra I Sat Down and Wept" is a deeply spiritual novel by Paulo Coelho, first published in 1994. The story follows Pilar, a strong and independent woman, who reunites with her childhood love after years apart. As they embark on a journey through the French Pyrenees, Pilar is confronted with questions about love, faith, and destiny. Through Coelho’s signature blend of mysticism and self-discovery, the novel explores the transformative power of love and the courage it takes to follow one’s heart.