Andrew Pettegree is a British historian at St. Andrews University in Scotland. His specialty is the history of the book and media transformations. He has written a great deal about the written word with an emphasis on libraries. His latest book is titled "The Book at War: How Reading Shaped Conflict and Conflict Shaped Reading." In his introduction, Prof. Pettegree writes: "In all nations, once war broke out, writers and libraries were expected to play a full role in forging victory….after the Second World War the Allies would face the problems of how to sanitize, or exploit, the collections of the defeated."

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