This series of Science Readers was published for the use of teachers and students. It will be found useful, not only in those schools in which Elementary Science is taken as a class subject, but also for the purposes of an ordinary reader. Of this series of Science Readers, Books I, II, and III are adapted to pupils who are in their third and fourth years of school work. Both the reading and the subject matter of Books IV, V, and VI are suitable for Senior Grades. It is hoped that the young r...