Everything you need to understand or teach When the Tripods Came by John Christopher.
This novel for young adults is the first in a series of books about the Tripods, mechanical entities eventually revealed to be the means by which an alien race (known as the Masters) takes control of humanity. "When the Tripods Came" tells the story of how the Tripods first come to Earth and establish control, and in doing so explores themes relating to the occasional necessity of breaking rules, loyalty and...
When the Tripods Came Lesson Plans contain 117 pages of teaching material, including: