Publisher's Synopsis
"There's something weird and mysterious about the robbery, Kennedy. They took the very thing I treasure most of all, an ancient Peruvian dagger." Professor Allan Norton was very much excited as he dropped into Craig's laboratory early that forenoon. Norton, I may say, was one of the younger members of the faculty, like Kennedy. Already, however, he had made for himself a place as one of the foremost of South American explorers and archaeologists.
