“Never mind,” said he. “I have occasionally picked up some quite useful information from empty rooms and discarded rubbish. Do you know if the police have examined the house?”
“I believe not. At any rate, nothing has been said to me to that effect.”
“So much the better,” said he. “Can we fix a time for our visit?”
“It can’t be tomorrow,” said I, “because I must see Barbara and get the keys if she has them. Would the day after tomorrow do, after lunch?”
“Perfectly,” he replied. “Come and lunch with me; and, by the way, Mayfield, it would be best not to mention to any one that I am coming with you, and I wouldn’t say anything about this parcel.”
I looked at him with sudden suspicion, recalling Wallingford’s observations on the subject of mare’s nests. “But, my dear Thorndyke!” I exclaim
