""Numbers: Their Meaning and Magic"" by Isidore Kozminsky is a comprehensive guide to the symbolism and significance of numbers in various cultures and contexts. The book explores the mystical and spiritual properties of numbers, as well as their practical applications in areas such as astrology, numerology, and divination. Kozminsky draws on a wide range of sources, from ancient texts and religious traditions to modern scientific theories and philosophical ideas, to illuminate the hidden meanings behind numbers and their role in shaping our lives and experiences. Throughout the book, he offers practical advice and exercises for readers to explore and deepen their understanding of numbers and their magical properties.