Everything you need to understand or teach The Ophiuchi Hotline by John Varley.
The novel focuses on Lilo's search for knowledge, as well as her search for her own identity. The search for knowledge is enhanced when she becomes three Lilos. One eventually uncovers the source of the Ophiuchi Hotline and discovers humanity's only hope for a future. Another is flung several thousand years into the future by the Invaders, where she discovers the meager life left to primitive and superstitious people on Earth. The other...