(By Jim Higgins, Milwaukee Journal Sentinel) “The Housekeeper and the Professor,” by Yoko Ogawa; Picador paperback ($14)Baseball and math are old friends. But no one I've read has ever demonstrated their congruency as gracefully as Japanese writer Yoko Ogawa does in this slender novel. The unnamed narrator is sent to work at the cottage of the Professor, who has worn out nine previous housekeepers.