it was only as she was paddling furiously in , building up speed to surf that first good wave at just the right point , that her attention was caught by something in the silver-blue slope down which she slid something flashed and the world went black she was careering down a dark glass funnel into the oceans entrails the wave racing faster , curling tighter , tighter still ... a boys laughter echoed as the universe groaned and swallowed her whole .