Son of Man is a 1971 novel

Novel

A novel is a book of long narrative in literary prose. The genre has historical roots both in the fields of the medieval and early modern romance and in the tradition of the novella. The latter supplied the present generic term in the late 18th century....

 written by Robert Silverberg

Robert Silverberg

Robert Silverberg is an American author, best known for writing science fiction. He is a multiple nominee of the Hugo Award and a winner of the Nebula Award.-Early years:...

, most known for his science fiction

Science fiction

Science fiction is a genre of fiction dealing with imaginary but more or less plausible content such as future settings, futuristic science and technology, space travel, aliens, and paranormal abilities...

 writing. The book is about Clay, a 20th century man, who travels billions of years into the future and meets humanity in its future forms. Some of the issues discussed in the book are sexuality, telepathic communication between people, physical prowess or frailty, division of humans by caste

Caste

Caste is an elaborate and complex social system that combines elements of endogamy, occupation, culture, social class, tribal affiliation and political power. It should not be confused with race or social class, e.g. members of different castes in one society may belong to the same race, as in India...

 or ability, and the preservation of ancient wisdom

Wisdom

Wisdom is a deep understanding and realization of people, things, events or situations, resulting in the ability to apply perceptions, judgements and actions in keeping with this understanding. It often requires control of one's emotional reactions so that universal principles, reason and...

, among other things.

External links

• Description of the book on the Quasi-Official Site for Robert Silverberg's works