Gaesser, Glenn A. The spark : the revolutionary 3-week fitness plan that changes everything you know about exercise, weight control, and health / Glenn A. Gaesser and Karla Dougherty - New York : A Fireside Book, 2001 - 256 p. : ill. ; 22 cm. Includes index ISBN: 0743201566 RM49.90 LCCN: 00-046323 Subjects--Topical Terms: ExercisePhysical fitnessNutritionHealth