A small New England town copes with space invaders. Tommyknockers are ghosts or tunneling ogres "knocking at the door." Ex-library book with card and pocket inside front cover and inked-out stamps on top edge of pages and on fep. No other library markings. Author's name in gold lettering on front of dj rubbed. Sticker scar on spine. First trade printing with "permissions to come" on copyright page.

Mystery, Suspense, Space Aliens, Invaders from Space, Space Travel,