An official from an interplanetary federation is called in to arbitrate peace on a planet whose inhabitants are technically advanced, androgynous, and have telepathic powers.
"A Foundation Book." When young Hari Seldon arrives on Trantor, he is unaware of the perilous politics that are brewing. After he presents his paper on psychohistory, he becomes the most wanted man in the Empire.
In the distant future, when man has conquered space and colonized the planets, a space ship arrives from an alien world that threatens the future of man.
Five people are miniaturized and sent on a rescue mission through a man's body where they have sixty minutes to reach and break up a blood clot in his brain.