Textbook and Trade Book
A textbook teaches about a particular subject. These books are organized to help you find information quickly. Textbooks contain tables of contents, chapter titles, headings, subheadings, illustrations with captions, and vocabulary words.
A trade book is any book that is not a textbook, periodical, or reference book. The skills you use for understanding trade books are a lot like those used for understanding textbooks.
A trade book is any book that is not a textbook, periodical, or reference book. The skills you use for understanding trade books are a lot like those used for understanding textbooks.