Photographs and simple text teach children what sorting is, how it is done, and why it is important.

Presents a range of topics in theoretical physics, from the theory of relativity to time travel, from supergravity to supersymmetry, from quantum theory to M-theory, from holography to duality, from superstring theory to p-branes, from black holes to the idea of multiple histories.

One cat sleeps. Two cats play. Three cats stack!Cats of all shapes and sizes scamper, stretch and yawn across the pages of this adorable counting book. And every now and then, they find themselves in the purrfect fluffy stack!

Text and photographs introduce everyday uses for estimation.

"The bestselling author of Give and Take and Originals examines the critical art of rethinking: learning to question your beliefs and to know what you don't know, which can position you for success at work and happiness at home. The difficulty of rethinking our assumptions is surprisingly common--maybe even fundamentally human. Our ways of thinking become habits that we don't bother to question, and mental laziness leads us to prefer the ease of old...

Meet Ruby--a small girl with a huge imagination. In Ruby's world, anything is possible if you set your mind to it. As Ruby embarks on her adventure, kids will be introduced through storytelling to the basic concepts of coding. With activities included in every chapter, future kid coders will be thrilled to put their own imaginations to work.

A feminist manifesto by the great modernist writer contends that women's literature would be on a par with that of men, if women had the same levels of income, privacy, and experience as their counterparts. Her main illustration of this principle is a hypothetical sister to Shakespeare, who, even with the same talents as her brother, would have never been given the chance to display her talents to the world.