Everything you need to understand or teach Strange Attractors by William Sleator.
Strange Attractors is a thriller, a monstrous roller coaster ride through time and worlds of imagination rarely equaled. In it, a teenager is trapped by desires he barely comprehends, a desire to hold fast onto a "phaser," a desire to be close to a young woman who might kill him, as well as by a scientist who may be truly insane—or perhaps both of them are. From 33,019 B.C. to a...