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 move through this book. The table of contents, glossary, and index combine for a helpful and useful reading experience.