"A delightful book." New York Times

"I have studied with pleasure this] new book Beautiful examples Illuminating. I am convinced that Lieber's] original enterprise will get the recognition it so richly deserves." Albert Einstein

"The Liebers have written an ingenious, entertaining, and illuminating book." Saturday Review of Literature

"The book should be 'required reading' especially for non-mathematicians." E.T. Bell, author ofThe Development of Mathematics

First published in 1942, this whimsical exploration of how to think in a mathematical...

Oh, what a delightful book This is the clearest explanation of relativity availableand the most fun. It s great to have it available again. Whether or not you re a scientist, you will relish this book. Walter Isaacson, author of "Einstein: His Life and Universe"

Using just enough mathematics to help and not to hinder the lay reader, Lillian R. Lieber provides a thorough explanation of Albert Einstein s theory of relativity. Her delightful style, in combination with her husband s charming illustrations, makes for an interesting and accessible read about one of the most celebrated ideas...