John sailed around Cape Horn literally the day I was born - January 25, 1984 - and he's recently been a mentor of mine. All of his books are on this list, but this is a good technical one mixed with storytelling like only he can, to get you started.
The Finely Fitted Yacht, Ferenc Mate
An awesome technical book for ideas to fiddle with the boat, but also a great rainy-day read, as Mate is hilarious in his descriptions! One that permanently occupies bookshelf space on our boat.