We now know what was going on in Los Alamos, New Mexico during World War II, but it was top secret when it was going on. The historical background for this story is the Manhatten Project. The development of the Atomic bomb was top secret even on the “Hill” where it was happening.
At last, Dewey gets to live with her father. He is a scientist working working long hours on the secret project known on the hill as "the gadget." Dewey is a loner who works on her own mechanical projects. The other girls are jealous because Dewey gets along with the boys.
