From the mysterious power of the decimal point to the oddity of odd numbers, fun and wonder are the essence of these remarkable poems. The winner of the Queen's Gold Medal for Poetry takes us through the delight and silliness maths has to offer. Subjects range from the title poem in which Einstein's number-loving parents persuade her of the fun they have with maths, to poems about the magic number nine, the power of the decimal point, and the ancient Inca counting device the Quipo.