Excerpt from Measuring Textbooks The discriminating choice of a textbook, however, is a far more difficult matter than is the choice of a saw or a hammer. The characteristics demanded are numerous, interrelated, involved, and not alto gether obvious. Hence, the value of a clear-cut analysis of the chief characteristics which adapt a text to the four-fold requirements. Of the considerations out of which arise the four types of demands that textbooks should meet, two are common to all types of books; these are the characteristics and needs of teachers and of pupils who are to use the books. The objectives that each type of book must serve are, of course, peculiar to each subject. The book itself, as a material thing, 18 determined in considerable measure, but not wholly, by the nature of its subject. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.