This appealing nonfiction book allows readers to discover the many important aspects of working as a librarian. Readers will be introduced to the similarities and differences of libraries from the past and present through a brief history of libraries—including how the Dewey Decimal system came about, what the "Book Boat" was, the use of card catalogs, and about the Library of Congress. The lively images and easy-to-read text work in conjunction to fascinate readers as they read through this book. The table of contents, glossary, and index combine for a helpful and useful reading experience.