The title El Cronómetro (The Stopwatch) is not arbitrary. In standardized language testing, the greatest adversary is often not the difficulty of the grammar, but the pressure of the clock.
If you are looking for a casual workbook to learn Spanish vocabulary over a relaxing weekend, put this book down immediately. However, if your goal is to pass the (the official Diplomas de Español como Lengua Extranjera) and you want to know exactly what to expect on test day, El Cronómetro is arguably the best investment you can make. el cronometro a2 pdf