Light crease on spine, very minor edgewear. A bright, attractive copy.
"Humphrey Paxton, the rambunctious son of an eminent British physicist, is accompanied by his somewhat fussy tutor to spend his holiday with relatives in Ireland. Even before they can leave London, the spies and villains of the boy's imagination become all too real, following the youngster and his mild-mannered companion on their journey. In Ireland Humphrey encounters a grave threat to his life."; 12mo - over 6¾" - 7¾" tall