TITLE: WHAT THE DOGS HAVE TAUGHT ME
AUTHOR: MERRILL MARKOE
PUBLISHER: VIKING; 233 PAGES; $18
THE BOTTOM LINE: Flimsy when she talks about horoscopes and cute guys. But where the dogs reign, Markoe shines.
TOP 10 REASONS TO READ THIS book: 10. These funny essays were written by the woman who invented Stupid Pet Tricks for the David Letterman show (and won four Emmys) -- a woman who was Letterman's longtime companion and who certainly deserves our support.
% 9. During an election year, how novel to find someone who is intentionally funny (and who also inhales).
8. Readers are taken...