Personally, I enjoyed all those mentioned above, but the first non-fiction book I'd grab on the way out the door, en route to that desert island, would be the Concordance.
Who's your daddy? I guess in your case I'll make an exception, lift the death penalty and send you straight to that desert island known as Talos IV. Look what the Concordance has done
to me! A senior Starfleet officer and veteran who has been denied an accurate mentioning...
But seriously, the Star Trek Concordance
was the first encyclopedia of its kind, but technical stuff wasn't of big interest to Bjo Trimble (I met her once and was impressed by her overwhelming hospitality and pleasantness. We all do owe her quite a lot!).