Don't underestimate your textbook.
Most instructors select their texts after careful analysis.
In other words, they feel that the textbook they choose best complement, amplify, expand, and enrich their classroom instruction. In addition, research indicates that at least two hours of independent study is needed for every one hour of class instruction. For this reason, it is important that you understand the make of the texts and how it is organized. Ensure that you purchased or have the right date of your course textbook. The Glossary is used to afford you with the precise meaning of the of the words as the author is using them.