If they gave National Book Awards for public service, as they do with the Pulitzer Prize, "The Runner's Rule Book" (Rodale, $17.99, 166 pages) by Runner's World online editor Mark Remy would be a shoo-in simply by virtue of Rule 2.18: "Line up Where You Belong." Remy's rant more of a snarky reminder, actually concerns those misguided (he calls them "delusional") runners who line up at pace-per-mile markers that are way faster than they are capable of running. If runners would follow his rule, it would cut down on post-start mishaps and reduce the irritation level for those trying to get around the slower runners. The book is chock-full of serious nuggets of information that those relatively new to running may have missed and that experienced racers will recognize and nod in acknowledgment. Perhaps the best parts are whimsical, almost Seinfeldian observations such as Rule 2.36, "Postrace Bagels Must Be Dry and Taste Like Aspirin," or Rule 2.38, "Race Photos Never Look Good." Those training for the California International Marathon on Dec.