TV MANIA

TV MANIA Edith Pavese and Judith Henry (Abrams, $12.95) Finally, a book that doesn't even pretend to be about anything more than channel surfing set to print. Aside from a brief introduction, this flashy little picture album is a couch potato's treat. It features sound-bite-length descriptions of shows past and present, along with equally shallow observations. On The Simpsons: an ''animated series for adults that touches on serious subjects of contemporary life.'' Well, duh. On thirtysomething: ''This show resonated with viewers of the same age.'' Double duh. But the frothy nostalgic aspects of the book are hard to resist (you go, Marcus Welby). B-