"German Science Reader" by Charles Frederick Kroeh is a scientific study aid written in the early 20th century. This textbook aims to introduce students, particularly those studying physics, chemistry, and engineering, to the German language through systematically selected scientific readings that cover essential concepts in mathematics and the physical sciences. The focus is on developing a solid understanding of scientific terminology and the language structures relevant to these fields. The opening of the text sets the stage for a comprehensive learning experience, emphasizing the importance of not just translating selections but also actively engaging with the language by reading aloud and reinforcing vocabulary effectively. Beginning with topics such as arithmetic and algebra, the text provides progressive definitions and descriptions in German, aiming for clarity and practical application. By mastering these foundational concepts, students will not only grasp the necessary vocabulary but will also gain the skills to tackle more complex scientific texts in German throughout their academic careers.