Protector is a 1973 science fiction novel by Larry Niven, set in his Known Space universe. It was nominated for the Hugo in 1974, and placed fourth in the annual Locus poll for that year. The work fleshes out a species called the Pak, originally introduced in a 1967 story called The Adults, which forms the first half of the novel (there titled Phssthpok); the second half is titled Vandervecken. The Pak also appear in several of Niven's later works, notably the later volumes of the Ringworld series and the novel Destroyer of Worlds which serves as a semi-sequel to Protector.
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Descrizione libro Condizione libro: Brand New. Book Condition: Brand New. Codice libro della libreria 97803452930221.0
Descrizione libro Ballantine Books, 1981. Mass Market Paperback. Condizione libro: New. book. Codice libro della libreria 345293029