原文 (英語)

PREFACE. THIS FOURTH READER is designed to pass the pupil from the comparatively easy ground occupied by the THIRD to the more difficult course embraced in THE UNION FIFTH READER, which is next higher in the series. It is, therefore, carefully graded to this intermediate position. In one sense, however, it is the most important in the set; since the great mass of pupils, in our common schools, are drawn away from sch