Your desert island five

Homeric Epics
Divine Comedy
Paradise Lost
Faust
Complete Shakespeare

Bible
Bible
Bible
Bible
Bible

Shakespeare
Don Quixote
War and Peace
Crime and Punisment
The Divine Comedy

I literally keep my copy of this on hand at almost all times. I'll occupy myself with the tasks contained within.

I would rather have this one by my side in a legitimate apocalyptic sceanrio

Bible
Writings and Essays of Emerson
Slaughterhouse 5
The Silmarillion
Advanced survival guide of sorts

Yeah, but how big is it? The SAS Guide is about the size of my wallet. It's very easy to take places, tuck into a pocket of a backpack, fit into the glove box, generally find room for without taking up much space or weight.

You've got me there. This thing is paperback, sure, but it's about the size of...a big damn book.