Why can’t I download the e-book from publisher xy?

E-books can often be saved and printed for personal use, teaching, or research. However, not all publishers allow this. Some publishers allow you to download individual pages, a chapter, or the entire document.
Please observe the terms of use, license conditions, and copyright conditions of the respective provider!
E-books may not be shared with third parties, either electronically or in printed form. Systematic downloading of complete e-books or large portions of them, especially by robots, is prohibited.