Book excerpt: The best-kept secret in the international pro gaming scene is finally out: Spanish 21, and its Australian counterpart, Pontoon, is even more beatable than Blackjack. "The Pro's Guide to Spanish 21" will teach you how to play optimally, apply proven Blackjack card-counting techniques to Spanish 21, and do better than you ever did playing Blackjack. Topics covered include: basic strategy for 15+ rule variations, house edge, EOR, standard deviation, the Basic Hi-Lo counting system, optimal betting, indices, money management, camouflage, finding the best games, and much, much more. The author, gaming analyst/programmer Katarina Walker, is recognized as the world authority on Spanish 21 and Australian Pontoon. Foreword written by Don Schlesinger.