To help chase some of the adrenalin out of the system: there was no chance of physical exercise. The eyelid had stopped flickering, I should bloody well hope so, I must be getting old or something. Relax, switch off, leave things to Ferris. He'd be on to the police by now, telling them where to find the Taunus and what to do with it: check it for an explosive device, check the suitcase, take the car back to Fleet-way and put the case into the harbour or wherever they liked, because i wouldn't get it back: they'd hold it for me but they wouldn't part with it or with me either without asking me an awful lot of questions Hong Kong is just like other places: the police don't like being rung up and told to look for bombs in abandoned cars without wanting to know why. Ferris could pull enough rank to tell them to shut up but it'd mean revealing the fact that we were on the island and we didn't want to advertise it.

I'd asked him to do a couple of other things for me while he was about it: pay my bill with Fleetway, and get a dozen gardenias sent to El Caliph before eight o'clock tonight with a message: Please forgive, been called to Rome due to the devaluation crisis, tried four times to ring you but not home. Will never forget you. Clive.

I put on the mask.

The nerves were back to normal and it hadn't taken so long as I thought: for three hours I'd been moving around Central as free as a tourist and nobody had tried to raid me or even get on my tail, besides which Ferris hadn't been mean: it was a white summer-weight linen suit and quite a good fit and I felt a bit less like a lavatory brush with the mange. I'd kitted up again at Lane Crawford's: new suitcase, shaver, toilet things, shoes, so forth, and the case was genuine leather because I can't stand plastic, so that scaly old hell-hag in Accounts was going to cough up her brimstone when she got the bill.

I breathed in through the nose and the faceplate tightened satisfactorily and I took it off. We spent a lot of time getting a good fit for the fins: he was a helpful little man, five feet high with a crew cut and a jolly smile and the right hand off at the wrist, said it was a shark and I believed him.

'You from England?'

'Yes.'

'What part?'

'London.'

'So! I have sister in London! Beshnill Green!'

'Well I never.'

I asked him for a double hose regulator and three standard single cylinders of compressed air with reserve mechanisms and nickel-plated interiors, capacity 71 cubic feet each.

'Can you recharge these for me if I need more air?'

'No.' He shook his head beaming. 'Used to have charging-room, but had also assistant who broke valve one day. Tank went through wall here and flew three streets away, finish through side of bus!' Peals of laughter. 'Nobody hurt, but take permission from me. You get them filled at another place, I give you address.'

'Thank you.'

Tank harness with instant release buckle, lead belt, depth gauge, compass, underwater watch.

'Dry suit?'

'No, wet. Foam neoprene, have you got one?'

'Oh yes.'

Diving knife, saw-tooth edge one side, straight edge the other.

'You want shark repellent?'

'Yes.'

'Speargun?'

'No.'

'Abalone iron?'

'No.'

I had to try three wet suits on before I found the right one. It had a yellow insignia on the back as a safety marker and I'd have to cover it with black adhesive tape later.

'Do you stock chains?'

'What sort of chains?'

'To secure the tanks to the boat.'

'No. Tell you where to buy.' He gave me another address.

'I need a lamp.'

He kicked the stool over to the shelves again and jumped up and hooked down the box, catching it in the crook of his elbow. We tested the batteries and I signed a traveller's cheque, sweating a lot after trying on all those suits but feeling much better, almost back on form, even the muscles feeling smoother. Tonight I'd be getting some sleep because Ferris wouldn't be able to rustle up everything we needed before the morning. God only knew how he was planning to send me in to the objective but if it was going to be an air drop we'd obviously have to make it by night: that would be tomorrow at the earliest.

I'd hired a dark grey station wagon from Fleetway so that I could lay the air tanks flat. I stowed the gear and found the place where they sold chains and noted the place where they could give me a recharge if I needed one and bought some black adhesive tape and reached the Harbour Hotel on the north shore of the island by noon. That was where Ferris had booked me in.

There was already a message for Mr Wing: please call TWA about my reservation. I used the phone in my room and we listened for bugs and then he went straight into speech code, switching to cypher where he had to and rattling off the numerals. The code was standard operational for this date, Far East theatre, listed arbitrary with no mnemonics: October for briefing, Monday for rendezvous, Gin-rummy north east, yellow left hand, so forth. I went into the same pitch and thought Christ, he's got something moving.

'I want you for briefing,' he said.

'When?'

'20.00 hours.'

'Where?'

He gave the directions: there was a junk tied up in the Causeway Bay typhoon anchorage, the August Moon, the seventh along from the base of the north-east breakwater, left-hand side of the utilities stanchion.

'What's the flap?' I asked him.

'There's no flap. I'm sending you out to the rig, that's all.'

'When?'

'Midnight tonight.'

I slept six hours in Room 31 at the Harbour Hotel with traps at the door and the window and then got up and showered and took the stuff out of the canvas case and tried on the wet suit again and tested the mask, putting talc on the fins and taping the safety marker to black it out: they might just as well have painted a bull's-eye on the back of the suit, bang on the tenth vertebra.

19.00 It was only a ten-minute run to the typhoon anchorage, allow another five to park the station wagon with decent security and find the August Moon. That gave me forty-five minutes to spare and I didn't like it: Ferris must have got a panic signal from London with orders to arrange immediate access and put his executive into the target zone, Bureau signals phrasing right out of the book. It meant they wanted the ferret thrown into the sea. That was all right: the thing I didn't like was having to hang around for three-quarters of an hour before I could even get to the briefing and find out what kind of access Ferris had fixed up and what kind of communications we were going to use and what kind of chance there was of my coming out of that particular target zone alive.

The oil rig stood in international waters but it was Chinese territory and at a rough guess I'd put its defence armament at about the same strength as a pocket battleship.

I knew from earlier missions that Ferris was terribly fast and it was possible they'd picked him to field-direct this operation because they knew we might have to hurry at any given phase or at some precise phase they'd been able to anticipate in the initial planning. They might have shot him out to Pekin as a cultural attache or some kind of Embassy stooge the minute they'd seen Mandarin coming up on the agenda. I began wishing I knew a bit more about this job and that was a perfectly normal reaction at forty-four minutes to final briefing: the blood starts moving a few degrees quicker and the nerves start exchanging energy a few microseconds closer to optimum speed and you start wondering why the hell those zipper-lipped bastards in London couldn't have told you a bit more or preferably a bloody sight more about the operation they'd decided to pitch you into - in this case by Egerton's thrice-accursed subterfuge.

Relax.

I picked up the phone and gave it ten rings and put it down again and that was a perfectly normal reaction too at forty-three minutes to final briefing: the closer you move to potential death the more you think about women. Poor little bitch, we'd got her hormones moving again after all that time and all she was going to get at the El Caliph at eight o'clock tonight was a bunch of gardenias and all I was going to get was the shakes.