"The track met our ram"

"In the flash I caught a glimpse of his conning tower"

"The 1,000 kilogrammes of metal crashed down"

"Good-bye! Steer west for America!"

"It is a snug anchorage, and here I intend to remain"

"A trapdoor near her bows fell down, the White Ensign was broken at the
fore, and a 4-inch gun opened fire from the embrasure that was revealed
on her side"

"I sighted two convoys, but there were destroyers there...."

"... when there was a blinding flash and the air seemed filled with
moaning fragments"

"When I put up my periscope at 9 a.m. the horizon seemed to be ringed
with patrols"

* * * * *

INTRODUCTION


"I would ask you a favour," said the German captain, as we sat in the
cabin of a U-boat which had just been added to the long line of
bedraggled captives which stretched themselves for a mile or more in