But when she changed the subject to the science of fortification, Blix could no longer restrain herself.
"But it is really wonderful that you should know all these things! Where did you find time to study so much ?" "One must have an education," returned K.D.B.primly.
But Condy had caught sight of a half-filled book-shelf against the opposite wall, and had been suddenly smitten with an inspiration.

On a leaf of his notebook he wrote: "Try her on the G's and H's," and found means to show it furtively to Blix.

But Blix was puzzled, and at the earliest opportunity Condy himself said to the retired costume reader: "Speaking of fortifications, Mrs.Hoskins, Gibraltar now--that's a wonderful rock, isn't it ?" "Rock!" she queried.

"I thought it was an island." "Oh, no; it's a fortress.

They have a castle there--a castle, something like--well, like the old Schloss at Heidelberg.