First edition, first impression. 64pp, with colour plate frontispiece and line drawings in text. Blue cloth boards with black lettering to spine. 12mo. Boards gently rounded at corners and spine ends. Internally neat, clean, bright and tight, barring a tiny pencil annotation on the rear paste down. In its original illustrated dust wrapper, not price clipped, a little bumped at edges and rubbed on spine folds, slight shelf wear visible on verso. Dust wrapper now protected in an archival-quality Mylar sleeve, fitted without the use of tape or adhesives.
Gilly and Jane have taken possession of an abandoned tower near their island home off the Welsh coast. Then someone else turns up also claiming the castle as their own. And of course, adventure ensues.
