Produced by Annie R. McGuire. This book was produced from scanned images of public domain material from the Google Print archive. THE SLIPPER POINT MYSTERY [Illustration: "Why, it's a room!" she gasped] THE SLIPPER POINT MYSTERY BY AUGUSTA HUIELL SEAMAN Author of "Three Sides of Paradise Green," "The Girl Next Door," "The Sapphire Signet," etc. ILLUSTRATED BY C. M. RELYEA [Illustration] NEW YORK THE CENTURY CO. 1921 Copyright, 1919, by THE CENTURY CO. CONTENTS CHAPTER PAGE I THE ENCOUNTER 3 II THE ACQUAINTANCE RIPENS 18 III SALLY CAPITULATES 32 IV ON SLIPPER POINT 43 V MYSTERY 55 VI WORKING AT THE RIDDLE 65 VII THE FIRST CLUE 77 VIII ROUNDTREE'S 87 IX DORIS HAS A NEW THEORY 102 X BEHIND THE CEDAR PLANK 116 XI SOME BITS OF ROUNDTREE HISTORY 131 XII LIGHT DAWNS ON MISS CAMILLA 141 XIII WORD FROM THE PAST 164 XIV THE REAL BURIED TREASURE 178 XV THE SUMMER'S END 198 LIST OF ILLUSTRATIONS "Why, it's a room!" she gasped _Frontispiece_ She led the others up the cellar steps 128 "Why, there's nothing there but numbers" 160 They sat together in the canoe 198 THE SLIPPER POINT MYSTERY CHAPTER I THE ENCOUNTER She sat on the prow of a beached rowboat, digging her bare toes in the sand. There were many other rowboats drawn up on the sandy edge of the river,--as many as twenty or thirty, not to speak of the green and red canoes lying on the shore, bottoms up, like so many strange insects. A large number of sailboats were also anchored near the shore or drawn up to the long dock that stretched out into the river.