"My genius has gone fishing. But, Star my love, there is a simple answer. Take everything."

"Milord?"

"Jocko set us out with half a ton of food, looks like, and enough wine to float a loan, and a little water. Plus a wide variety of Nevia's best tools for killing, stabbing, and mayhem. Even armor. And more things. In that foldbox is enough to survive a siege, without eating or drinking anything from Karth-Hokesh. The beauty of it is that it weighs only about fifteen pounds, packed—not the fifty pounds you said you could swing by straining. I'll strap it on my own back and won't notice it. It won't slow me down; it may armor me against a swing at my back. Suits?"

Star's expression would have fitted a mother whose child has just caught onto the Stork hoax and is wondering how to tackle an awkward subject. "Milord husband, the mass is much too great. I doubt if any witch or warlock could move it unassisted."

"But folded up?"

"It does not change it, milord; the mass is still there—still more dangerously there. Think of a powerful spring, wound very tight and small, thus storing much energy. It takes enormous power to put a foldbox through a transition in its compacted form, or it explodes.

I recalled a mud volcano that had drenched us and quit arguing. "All right. I'm wrong. But one question—If the mass is there always, why does it weigh so little when folded?"

Star got the same troubled expression. "Your pardon, milord, but we do not share the language—the mathematical language—that would permit me to answer. As yet, I mean; I promise you chance to study if you wish. As a tag, think of it as a tame spacewarp. Or think of the mass being so extremely far away—in a new direction—from the sides of the foldbox that local gravitation hardly matters."

(I remembered a time when my grandmother had asked me to explain television to her—the guts, not the funny pictures. There are things which cannot be taught in ten easy lessons, nor popularized for the masses; they take years of skull sweat. This be treason in an age when ignorance has come into its own and one man's opinion is as good as another's. But there it is. As Star says, the world is what it is—and doesn't forgive ignorance.)

But I was still curious. "Star, is there any way to tell me why some things go through easier than others? Wood easier than iron, for example?"

She looked rueful. "No, because I don't know myself. Magic is not science, it is a collection of ways to do things—ways that work but often we don't know why."

"Much like engineering. Design by theory, then beef it up anyhow."

"Yes, milord husband. A magician is a rule-of-thumb engineer."

"And," put in Rufo, "a philosopher is a scientist with no thumbs. I'm a philosopher. Best of all professions."

Star ignored him and got out a sketch block, showed me what she knew of the great tower from which we must steal the Egg of Phoenix. This block appeared to be a big cube of Plexiglas; it looked like it, felt like it, and took thumbprints like it.

But she had a long pointer which sank into it as if the block were air. With its tip she could sketch in three dimensions; it left a thin glowing line whenever she wanted it—a 3-dimensional blackboard.

This wasn't magic; it was advanced technology—and it will beat the hell out of our methods of engineering drawing when we learn how, especially for complex assemblies such as aviation engines and UHF circuitry—even better than exploded isometric with transparent overlays. The block was about thirty inches on a side and the sketch inside could be looked at from any angle—even turned over and studied from underneath.

The Mile-High Tower was not a spire but a massy block, somewhat like those stepped-back buildings in New York, but enormously larger.

Its interior was a maze.

"Milord champion," Star said apologetically, "when we left Nice there was in our baggage a finished sketch of the Tower. Now I must work from memory. However, I had studied the sketch so very long that I believe I can get relations right even if proportions suffer. I feel sure of the true paths, the paths that lead to the Egg. It is possible that false paths and dead ends will not be as complete; I did not study them as hard."

"Can't see that it matters," I assured her. "If I know the true paths, any I don't know are false ones. Which we won't use. Except to hide in, in a pinch."

She drew the true paths in glowing red, false ones in green—and there was a lot more green than red. The critter who designed that tower had a twisty mind. What appeared to be the main entrance went in, up, branched and converged, passed close to the Chamber of the Egg—then went back down by a devious route and dumped you out, like P. T. Barnum's "This Way to the Egress."

Other routes went inside and lost you in mazes that could not be solved by follow-the-left-wall. If you did, you'd starve. Even routes marked in red were very complex. Unless you knew where the Egg was guarded, you could enter correctly and still spend this year and next January in fruitless search.

"Star, have you been in the Tower?"

"No, milord. I have been in Karth-Hokesh. But far back in the Grotto Hills. I've seen the Tower only from great distance."

"Somebody must have been in it. Surely your—opponents—didn't send you a map."

She said soberly, "Milord, sixty-three brave men have died getting the information I now offer you."

(So now we try for sixty-four!) I said, "Is there any way to study just the red paths?"

"Certainly, milord." She touched a control, green lines faded. The red paths started each from one of the three openings, one "door" and two "windows."

I pointed to the lowest level. "This is the only one of thirty or forty doors that leads to the Egg?"

"That is true."

"Then just inside that door they'll be waiting to clobber us."

"That would seem likely, milord."

"Hmmm..." I turned to Rufo. "Rufe, got any long, strong, lightweight line in that plunder?"

"I've got some Jocko uses for hoisting. About like heavy fishing line, breaking strength around fifteen hundred pounds."

"Good boy!" "Figured you might want it. A thousand yards enough?"

"Yes. Anything lighter than that?"

"Some silk trout line."

In an hour we had made all preparations I could think of and that maze was as firmly in my head as the alphabet. "Star hon, we're ready to roll. Want to whomp up your spell?"

"No, milord."

"Why not? ‘Twere best done quickly."

"Because I can't, my darling. These Gates are not true gates; there is always a matter of timing. This one will be ready to open, for a few minutes, about seven hours from now, then cannot be opened again for several weeks."

I had a sour thought. "If the buckos we are after know this, they'll hit us as we come out."

"I hope not, milord champion. They should be watching for us to appear from the Grotto Hills, as they know we have a Gate somewhere in those hills—and indeed that is the Gate I planned to use. But this Gate, even if they know of it, is so badly located—for us—that I do not think they would expect us to dare it."

"You cheer me up more all the time. Have you thought of anything to tell me about what to expect? Tanks? Cavalry? Big green giants with hairy ears?"

She looked troubled. "Anything I say would mislead you, milord. We can assume that their troops will be constructs rather than truly living creatures...which means they can be anything. Also, anything may be illusion. I told you about the gravity?"

"I don't think so."

"Forgive me. I'm tired and my mind isn't sharp. The gravity varies, sometimes erratically. A level stretch will seem to be downhill, then quickly uphill. Other things...any of which may be illusion."

Rufo said, "Boss, if it moves, shoot it. If it speaks, cut its throat. That spoils most illusions. You don't need a program; there'll be just us—and all the others. So when in doubt, kill it. No sweat."