Reference books

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...

The Merriam-Webster's Advanced Learner's English Dictionary is designed to help advanced students master spoken and written English as it is actually used, this groundbreaking dictionary provides in-depth and up-to-date coverage of basic English...

This beginner's dictionary introduces young readers, grades K-2, ages 5-7, to 3,000 words using 1,000 entries and hundreds of captivating illustrations by beloved children's illustrator, Ruth Heller. The book teaches basic dictionary skills, and provided...

Find the right word every time. This college level thesaurus covers 275,000 word choices, examples, and explanations with a concise definition for each lead word. Sample sentences are offered for each synonym to show how the word is used in context. A...

The Merriam-Webster's School Thesaurus is designed for students grades 9-11, ages 14 and up. More than 154,000 word choices. Includes synonyms, antonyms, related and contrasted words, and idiomatic phrases. Concise definitions and 37,000 usage examples...

Developed by professional editors and educational consultants especially for preschoolers and children in the first years of school, the award-winning Picture Dictionary is a compilation of 900 of the words most commonly featured in elementary school...

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...

A newly jacketed, eminently useful thesaurus for students in grades 6-10, providing burgeoning writers with 70,000 synonyms shown in contexts students can relate to. The American Heritage® Student Thesaurus is especially designed to improve the reading...

Newly revised dictionary for grades 3-5, ages 8-11, helps build vocabulary, comprehend spelling, while introducing children to 36,000 words. Abundant usage sentences help clarify meaning. Hundreds of illustrations supplement definitions. Word root...