And a copy of "The Young Sea Officer's Sheet Anchor: Or a Key to the Leading of Rigging and to Practical Seamanship" (Dover has a cheap paperback reprint). This

And a copy of "The Young Sea Officer's Sheet Anchor: Or a Key to the Leading of Rigging and to Practical Seamanship" (Dover has a cheap paperback reprint). This is fun because it, having been originally published in 1808, is a textbook actually used in the Age of Sail.