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ipl2 is a public service organization and a learning/teaching environment. To date, thousands of students and volunteer library and information science professionals have been involved in answering reference questions for our "Ask an ipl2 Librarian" service and in designing, building, creating and maintaining the ipl2's collections.  Search our resources by subject, browse our special collections and more.
Timely and helpful information, logically categorized—brought to you by the learning network.
Over 90,000 entries feature 10,000 new words, 70,000 audio word pronunciations, 900 full-page color illustrations, language notes and word-root appendixes.