**Intact Gift Giving Condition book**

a thrilling read" (Peter Frankopan) that reveals how creative people can harness the profound and productive relationship between mathematics and the arts When Shakespeare has the Three Witches cast Macbeth’s lot, he uses something very weird to do it: not simply “eye of newt and toe of frog,” but the number seven. "A stunning book ... And when Hamlet claims, “To be or not to be, that is the question,” Shakespeare reaches for eleven. For Shakespeare, prime numbers were magical.