Understanding Leather Categories. In my 20 plus years in the furniture business, I have spoken with many people that have incorrect impressions on leather upholstery. This is usually due to preconceived ideas based on negative things they have heard or assumed.
logbook definition, meaning, what is logbook: an official document that records information about a car and the people who have owned it. Learn more.
A textbook is  a book used for the study of a subject. People use a textbook to learn facts and methods about a certain subject. Textbooks sometimes have questions to test the knowledge and understanding of the learner. A workbook is a type of textbook that has only practice questions and exercises. Workbooks are designed not to teach but to provide practice and to highlight areas which need more learning.