Looking for a good detective story? Bob Moyer has a suggestion. Reviewed by Robert P. Moyer   Robert B. Parker’s BYE BYE BABY. By Ace Atkins. Penguin. 315 pages, $28 hardcover.   Fifty books. Robert B. Parker’s one-name Boston private detective, Spenser, has quipped, cracked wise, and quoted Shakespeare through that many books, while dispensing his … Continue reading Still going strong