Reference books

A colorful, engaging world atlas for students in grades 5-8. Abundant full-color maps, photographs, and easy-to-use charts and graphs. Features up-to-date statistics and global information. Thematic maps cover diverse topics such as continental drift,...

A revised and updated edition of the best-selling dictionary covering core vocabulary with over a hundred new entries and senses. More than 75,000 definitions and 8,000 usage examples aid understanding and cover the words you need today. Includes...

The Merriam-Webster's Collegiate Dictionary, Eleventh Edition, defines the current, active vocabulary of American English and is updated on an ongoing basis. This durable, laminated version features more than 225,000 definitions and over 42,000 usage...

A brand new edition of our superb dictionary for children in grades 3-6 (ages 8-12), with age-appropriate vocabulary, easy-to-understand definitions, lively example sentences, and delightful color images. The American Heritage® Children's Dictionary has...