Jason S. Greenspan / Lee Noonan
Librería Samer Atenea
Librería Aciertas (Toledo)
Kálamo Books
Librería Perelló (Valencia)
Librería Elías (Asturias)
Donde los libros
Librería Kolima (Madrid)
Librería Proteo (Málaga)
Offers the simplest, most practical approach to fitness, anywhere, anytime. A liter of water weights threee pounds; a gallon weights nine pounds, making water bottles, (plastic or stainless) the best possible resistance devices. All it takes is a water bottle for an efficient, affordable, and effective workout.