Creating different forms of nouns is one of the biggest struggles for people, who learn Polish. It seems very complicated and irregular, but don't worry. In this book, I've described an "algorithm", which will guide you through the creation of all 42 noun forms (7 cases x 3 genders x 2 numbers). After reading this book, you will know how to decline almost any noun in all 7 cases both in singular and plural number.