We know who invented them,” whispered Diana to Rachel, as they clattered down the winding stairs of the tower.

“Didn’t I tell you that being away from London wouldn’t make any difference?” demanded Rachel, triumphantly. “Sheshà can do anything!”

“Hush! Here comes Mr. Sheston,” Diana warned her in a low voice. “And I suppose we mustn’t say anything. But he knows that we know he’s Sheshà and Dinocrates—”

“And Cleon—and all the rest,” put in Rachel. “Isn’t it wonderful and—and fun, you know?”

Mr. Sheston, who had lingered in talk with the old sailor upstairs, now joined them, and all the way home the children chattered demurely about the St. Mary’s Bay lighthouse. There was no mention of the Pharos at Alexandria.

SEVENTH WONDER
THE STATUE OF JUPITER OLYMPUS

Both the children were back again in London a few days later, sadly missing the sea and the freedom of St. Mary’s Bay, of course, but consoled by the knowledge that Mr. Sheston had also come back to town.

One afternoon, soon after their return, Rachel met Diana with a radiant face.