Spid is a novel by Ursula Moray Williams, and was first published by Anderson Press in 1985. It tells the story of a Spider, Spid, who climbs out of a bath plughole and meets a boy, Henry. Spid (who talks) and Henry have a number of adventures, complicated by general low opinion of Spiders and by Spid's own attitute.
Williams, Ursula Moray. Spid. London, Arrow Books, 1988. (ISBN 0099592606)