I read the book back when - it was basically a novelization of the screenplay, so not all that different. I think the novel ends with Lightman being offered som

I read the book back when - it was basically a novelization of the screenplay, so not all that different. I think the novel ends with Lightman being offered some TA position at the school as the principal planning on getting some micros for a class... In the movie it just ends at the war room where Joshua shops playing.