(1987). The hidden staircase. [S.l.]: Grosset & Dunlap.
Chicago Style CitationThe Hidden Staircase. [S.l.]: Grosset & Dunlap, 1987.
MLA CitationThe Hidden Staircase. [S.l.]: Grosset & Dunlap, 1987.
Warning: These citations may not always be 100% accurate.