Just announced on the Law Librarian Blog:
"With ths work one can find the definitions of hundreds of terms used in legal research and bibliography. The dictionary coverage includes the judicial, legislative and executive branches of federal, state, and local government. This handy reference work is useful for law librarians, paralegals, public librarians, law review staff, and law students during first year legal research and writing, and advanced legal research courses."
You can find more info & buy this book (for $26.00) here.