Srila Rupa Gosvami was the foremost disciple of Sri Krishna Caitanya, and the Bhakti-rasamrta-sindhu is his literary masterpiece, a classic of devotional literature composed in Sanskrit and describing the complete science of bhakti-yoga, or linking with the Supreme through transcendental loving devotion. In this summary study, Srila Prabhupada gives a complete translation and provides occasional commentary. Topics include the characteristics of pure devotional service, ecstatic love of God, the qualities of Sri Krishna, and stimulation for ecstatic love.