Curiously enough, they were to be found in front of almost every window, as though the mysterious visitor had walked over the garden border as if seeking to find an entrance.
"They look more like slippers than shoes to me.

They're undoubtedly a woman's," said Whiteside, examining one of the impressions.

"What do you think, Tarling ?" Tarling nodded and led the way back to the room.
"What is your theory, Ling Chu ?" he asked.
"Somebody came into the house," said the Chinaman, "squeezed through the door below and up the stairs.

First that somebody killed and then went to search the house, but could not get through the door." "That's right," said Whiteside.

"You mean the door that shuts off this little wing from the rest of the house.