Boone, Daniel R. Is your voice telling on you? : how to find and use your natural voice / Daniel R. Boone. - San Diego, Calif. : Singular Pub. Group, c1991. - x, 187 p. : ill. ; 23 cm. Includes index. ISBN: 1879105039 LCCN: 91137955 Subjects--Topical Terms: Voice. LC Class. No.: PN4162 / .B636 1991 Dewey Class. No.: 612.78 BOO