When I've done that, we'll be off to the Continent or somewhere----" "And see what we can make of the Zastrow Mystery, perhaps!" said Nitocris.

"Good-night, Dad.

I want to do some thinking, too." He went to his study and set to work upon a development of the demonstrations with which he had astounded not only London, but the whole civilised world.
But it was no good to-night.

The ideas would not come.

Over and over again he picked up the threads of his arguments, only to drop them again.