Hughes, Monica, 1925-

The Crystal Drop / Monica Hughes. - 1st ed. - Toronto : HarperCollins, c1992. - 177 p. ; 23 cm.

ISBN: 000223744X :

Nat. Bib. Agency Control No.: 920932479

Subjects--Index Terms: adventure & adventurers-fiction ecology-fiction

Dewey Class. No.: C813/.54