Barron's New Student's Concise Encyclopedia,Britannica Concise Encyclopedia: The One-Volume Desk Reference That Covers It All: Encyclopedia Britannica: 9780852299647: Amazon.com: Books,Barron's | Barron's,The World Book Encyclopedia : Vol. 17, S-Sn - World Book Inc (1999, Hardcover),Barron's Vocabulary (8 book series) Paperback Edition