Reincarnation is a classic Eastern religious studies text by Swami Abhedananda. The visible phenomena of the universe are bound by the universal law of cause and effect. The effect is visible or perceptible, while the cause is invisible or imperceptible. The falling of an apple from a tree is the effect of a certain invisible force called gravitation. Although the force cannot be perceived by the senses, its expression is visible. All perceptible phenomena are but the various expressions of different forces which act as invisible agents upon the subtle and imperceptible forms of matter.Swami Abhedananda (2 October 1866 - 8 September 1939), born Kaliprasad Chandra was a direct disciple of the 19th century mystic Ramakrishna Paramahansa and the founder of Ramakrishna Vedanta Math. Swami Vivekananda sent him to the West to head the Vedanta Society of New York in 1897, and spread the message of Vedanta, a theme on which he authored several books through his life, and subsequently founded the Ramakrishna Vedanta Math, in Calcutta (now Kolkata) and Darjeeling.