Everything you need to understand or teach Slan by A. E. van Vogt.
Van Vogt had an extraordinary imagination that made his fiction inventive and surprising, and his imaginary worlds were unified with well-worked-out themes that focused on fundamental aspects of the human condition. He influenced the direction science fiction has taken—and influenced such notable authors as Philip K. Dick and Larry Niven.
In the case of Slan, van Vogt penned one of the great teen-exploitation novels, or in other words, a novel that...