This book deals with Pythagorean number divisions, explains 3 different kinds of Kabbalistic numerology, and reveals the hidden logic and symbolism of the numbers 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12 and 13. This is followed by an explanation of Hindu numbers and a long row of numbers between 14 and 25920. Special symbolisms are included, like the link between numbers and planets, and numbers in relation to the Apocalypse.