Clark, Dan, 1955- Vanished! : mysterious disappearances / David Clark. - London : Michael O'Mara Books, 1990. - 159 p. : ill. ; 25 cm. Includes bibliographical references (p.157-159). ISBN: 1854790234 Subjects--Topical Terms: Curiosities and wonders LC Class. No.: AG243 Dewey Class. No.: 031.02