This document discusses open book examinations. It begins by defining open book exams as exams where students are allowed to bring and consult course materials like textbooks, notes, and other resources. The document then discusses advantages like emphasizing higher-order thinking over memorization and disadvantages like increased workload. It provides details on the types of open book exams, why they are used, misconceptions about them, and the kinds of questions they may involve like application questions. Overall, the document provides an overview of open book exams, their purpose, and considerations around their use.