A great 4 in 1 value! Attractive burgundy leather-look versions of Merriam-Webster's Collegiate® Dictionary, Eleventh Edition, and Merriam-Webster's Collegiate® Thesaurus in a matching slipcase. 225,000 definitions, 40,000 example phrases, 305,000 synonyms. Includes a Win/Mac CD-ROM that installs easily on a hard drive for instant accessibility, with dozens of powerful search options.