"They bothered us close to Zamboanga," Rick pointed out.

"True. However, I suspect it was simply a quick try at getting us before we were well under way. I'm rather flattered, as a matter of fact. Of course they know what we're after. It was in the Manila papers. But they must realize we won't quit until we find Tony and Howard, and they must be afraid we'll succeed. Otherwise, why attack us?"

Rick saw the sense of Zircon's reasoning. "Then this mysterious island may not be hard to find, at least for anyone who's really determined."

"That's my guess. Anyway, I think we may be attacked when we accidentally start toward their base. And it will be an accident, since we have no clues."

At Siasi the constabulary had no further information of value, except that the government was showing deep interest and concern about the pirates. The searchers topped off the fuel and water tanks, and anchored for the night in the protected harbor. At dawn they hauled anchor and rounded Siasi.

Zircon laid a course that took them south-south-west toward the Kinapusan Islands and cautioned all hands to be on the alert. By noon they had crossed Taapan Passage.

Chahda and Rick were in the galley, cooking hamburgers for lunch. Chahda was explaining the technique of using the Moro blades.

"Must remember, knife is not just a thing. Is part of your arm. Is sharp part that just makes arm longer. You no swing knife. You swing arm, like trying to cut with end of finger. Okay?"

"I get it," Rick agreed. "Don't think of the knife as something separate. Think of it as part of your own body."

"Yes," Chahda assented. "Next, balancing of knife is important. If is good, is like part of you. If is bad, can never be part of you. Moro knives well-balanced. You see..."