'If you take on Kane it'll mean we've got him in our sights,' said Campbell, harping back to his favourite subject. 'Not that it makes any difference. Ramirez is sure to have other scouts out. I'll be watching him too.'

I'd been thinking about Kane.

'Your review of the situation was very well in its way, but it was wrong on one point.'

'What's that?' said Campbell.

'You said that Kane spun me a yarn as cover, and that it didn't matter what it was. That's not entirely so, you know -we have independent evidence. The death certificate states the cause of death as appendicitis. Kane and Schouten both told the same lie and I'd like to know why.'

'By God, you're right,' said Campbell. 'We'll get it out of Kane as soon as he's served his purpose.'

Geordie grunted. 'We're going into the Pacific,' he said. 'Maybe we'll get it out of Schouten. At all events, we'll be at the root of it.'* Chapter Three** 1*

It was nearly three months before we got away. You can't begin a scientific expedition as though you were going on a picnic. There were a million things to do and we were kept busy on a sixteen hour day, seven days a week. The first thing I did was to hand in my resignation from the Institute. Old Jarvis didn't take it too well, but there wasn't anything he could do about it so he accepted the situation with reluctance. I wished I could have told him what I was doing but that was impossible.

Geordie assiduously recruited his crew and soon they began to turn up. He had kept on four of his own lads and had of course taken on Kane in place of one of the men he let go. Of the other six that he added, all were faces that I hadn't seen since I had been a boy during the war, tagging around after my dad's gang.

Ian Lewis detached himself from his croft with alacrity and Geordie made him first mate; he'd had years under sail and was almost as good as a professional. Ex-corporal Taffy Morgan came along; one night during the war he had killed six Germans with a commando knife in utter silence, earning himself the M.M. Danny Williams had also won the M.M., although I never found out what for since he was reticent about it. There was the burly bulk of Nick Dugan, an Irishman from the Free State. Bill Hunter turned up – he had made a name for himself as an underwater demolitions expert and was the only other regular sailing man among the team. And there was Jim Taylor, another explosives wizard – he had been very near my father when he was killed.

They were now all into their forties, like Geordie, but seemed as tough as ever. Not one had lost his fitness and there wasn't a paunch among the lot of them. Geordie said he could have recruited twenty-five but he'd picked the best of them, and I almost believed him. I was confident that if we ran into trouble we could handle it.

Geordie was confident too, of welding them into a good sailing crew. What any of them lacked in knowledge they'd soon pick up and the enthusiasm was certainly there -although for the time being they knew nothing of the complications in which we were entangled. It was a straight research and survey trip to them all, including Kane, and any hints Geordie may have given his special team they kept strictly to themselves. As Campbell had predicted, Kane was sticking as close to us as a leech; Geordie had simply told him that there was a berth for him if he cared to cross the Atlantic with us, and Kane had jumped at the opportunity.

Campbell had gone back to Canada. Before he left he had a long talk with me. 'I told you I had a good intelligence service,' he said. 'Well, so have Suarez-Navarro. You'll be watched and they'll know everything you do as soon as you do it, even apart from Kane's spying. It can't be helped. We're deadlocked and we know it. So do they. It's a case of we know that they know that we know, and so on. It's a bastard of a position to be in.'

'It's like a game with perfect information – chess, for example. It's the man who can manoeuvre best who wins.'

'Not quite. Both sides have imperfect information,' he corrected me patiently. 'We don't know how much they really know. They might have the exact location of the nodules we're after, and only have to drop a dredge to prove their case, but perhaps they're behind us in planning and need to stop us somehow first. On the other hand, they don't know how much we know. Which is precious little. Maybe as much as, or no more than them. Tricky, isn't it?'

'It would take a logician to sort it out. Talking of knowing, have you made any progress with the diary?'

Campbell snorted. 'I gave it to a top-flight cipher expert and he's having his troubles. He says it isn't so much the peculiar shorthand as the sloppy way in which it's written. But he says he can crack it, given time. What I wish I knew was how Suarez-Navarro got on to this in the first place?'

My own thoughts were that Mark, cheated out of Campbell's involvement – I guessed that's how he would see Campbell's loss, only in terms of his own disappointment -had approached them himself. But I still didn't know enough about how Campbell viewed Mark to say so. It hung between us, a touchy subject that we both carefully avoided.

So he went off to Canada to further his own progress, we speeded up ours as much as possible, and it was with great relief that I heard Geordie announce one day that we were at last ready for sea. All he needed to know was where to head for.

I said, 'Do you know the Blake Plateau?'

'Never heard of it.'

'It's just off the coast of Carolina. We'll test the winch and the rest of our gear there, and it's a long enough voyage for you to pull your crew together. I don't want to go into the Pacific to find that anything doesn't work for some reason or other. If there's anything wrong we can get it fixed in Panama – they've got good engineering shops there.'

'Okay. But why the Blake Plateau?'

'There are nodules there. I've always wanted a closer look at Atlantic nodules.'

'Is there any place where there aren't any?' he asked.

I nodded. They won't form where there's heavy sedimentation, so that cuts out most of the Atlantic – but the Blake Plateau is scoured by the Gulf Stream and nodules do form. But they're poor quality, not like the ones in the Pacific.'

'How deep?'

'Not more than three thousand feet – deep enough to test the winch.'

'Right, boy. Let's go and scoop up some poor quality wealth from the bottom of the sea. We should be away in a few days now.'

'I can't wait,' I said. I was in fact boiling with impatience to be gone.* 2*

We made a fair and untroubled crossing of the Atlantic. Geordie and Ian, together with the regular crew members, soon got the others into a good working pattern and spirits ran high. Kane, we were pleased to notice, fitted in well and seemed as willing and above-board as the others. Knowing that they were all curious as to our purpose I gave occasional rather deliberately boring lectures on oceanography, touching on a number of possible research subjects so that the matter of manganese nodules got lost in the general subject. Only two people retained an interest in what I had to say, and to them, in semi-private, I spoke at greater length about our quarry. One was Geordie, of course, and the other, not too surprisingly and in fact to my satisfaction, was Bill Hunter. Already our diving expert, his interest and involvement might well be crucial.

One afternoon they both joined me in the laboratory, at my request, to learn a little more. A quiet word from Geordie to Ian made sure that we weren't going to be interrupted.

Geordie picked up a nodule which I'd cut in half – I had brought a few on board to help my explanation along.

He pointed to the white central core.

'I suppose you'll tell me again that it's a shark's tooth in the middle of this rock. You never did get around to explaining that, did you?'