Algeria. The fighting there made it something of a risk; but I suppose Herbert, whose expedition it was, thought the find worth the danger.

[ A little from recovered memory. Most of it from careful study of his own diaries. It feels strange to speak of Herbert - he can tell they were friends once, but now the man seems as much a stranger as a character in a story Daniel's only half-read.

Daniel falls silent, suddenly wishing he hadn't brought the subject up. ]