The second book in the series is for the next level from the beginner level. It has used a system before and is designed for those who want to learn more advanced systems. It includes nearly 80 systems and descriptions, medium and advanced level. Diamond Systems includes English Systems, No-english Systems, Parallel Systems, Diamond Counting Systems (new) and more. For more, you can take a look at the third book in the series.

Kategori: Bøger (usorteret)