This elementary statistics book is great for students or anyone interested in learning basic stats. To use it, start by skimming through the table of contents to find the topics you need. Then, read the chapters carefully, take notes, and work through the examples. When you're done, you can use it as a reference for future studies. As for maintenance, keep it in a dry place to prevent further staining. Avoid bending the cover too much to maintain the binding. If you want to clean the cover, use a soft, dry cloth. And remember, the writing on the pages is just part of its character and doesn't affect your reading experience.