Revised
This digital reference library contains hundreds of high-quality reference books covering a wide range of topics (arts and leisure, biography, business, food, geography, health and medicine, history, jobs and careers, language, literature, mathematics and statistics, philosophy, psychology, religion, science, social sciences and technology). All content is cross-referenced, integrating information from subject specific dictionaries, encyclopedias, thesauri, books of quotations and other high-quality authoritative sources. Credo's Concept Map can help you find information when you don't know exactly what to look for or want to expand your knowledge of a given area. Among its special tools are a quotation search, audio pronunciation guide, biography search (including Marquis Who's Who) and crossword and anagram solver.