David stood at the back of the bridge and nervously watched Chapman navigating the Thames. To say Chapman was a novice at this would have been an understatement, but at least he’d managed to get the engine started and get the boat moving, thanks in no small part to the crash course he’d had from Allison when they’d taken the clipper from Surrey Quays. He’d hoped they’d have been able to find a similar suitable vessel, but the only other clipper they’d found had been nowhere near large enough. They’d eventually commandeered a party boat – the London Sunset – as inappropriate as it was impractical. There was little in the way of seating inside, just an open expanse stretching side to side on the lower deck, with an opulent wooden dancefloor upstairs that opened out onto a viewing deck. There

