A Globe 1 Best Book of 224 • A New Yorker Best Book of 224 • A Kirkus Most Anticipated Book of Fall 224The first history of the notebook, a simple invention that changed the way the world thinks.We see notebooks everywhere we go. But where did these indispensable implements come from? How did they revolutionize our lives? And how can using a notebook help change the way you think? In this wideranging history, Roland Allen reveals how the notebook became our most dependable and versatile tool for creative thinking. He tells the notebook stories of Leonardo and Frida Kahlo, Isaac Newton and Marie Curie, and writers from Chaucer to Henry James; shows how Darwin developed his theory of evolution in tiny pocket books and Agatha Christie plotted a hundred murders in scrappy exercise books; and introduces a host of cooks, kings, sailors, fishermen, musicians, engineers, politicians, adventurers, and mathematicians, all of whom used their notebooks as a space to think—and in