Mystery up the Winding Stair

**This is a USED BOOK. It may show some wear and tear. Used books are final sale. No refunds or exchanges.** COVER may be different than what is pictured. Stock images are used.**

Harry spends an adventurous three weeks at his grandfather's house. Strange things begin to happen, including sounds in the night, mysterious intruders, and the finding of hidden staircase. All this leads to the surprising climax and the finding of a precious gem.