Blyton, Enid The adventurous four again / Enid Blyton ; illustrated by Trevor Parkin - London : Beaver Book , ©1986, 1990. - 174 pages ; 1 unnumbered page : illustrations ; 18 cm ISBN: 9780099477105 (paperback) Index Terms--Genre/Form: Youth FictionAdventure Stories Dewey Class. No.: ETF BLYT