Sri Ujjvala Nilamani: Rupa Gosvami is described as the bhaktirasacarya,
or one who knows the essence of devotional
service. His famous book Bhakti-rasamtra-sindhu is the
science of devotional service, and by reading this book one
can understand the meaning of devotional service. Another
of his famous books is the Ujjvala-nilamani. In this book he
elaborately explains the loving affairs and transcendental
activities of Lord Krsna and Radharani.