This pdf is 15 pages long, 1 page front cover, 1 page blank inside the front cover, 2 pages editorial and 1 page ToC and foreword, 1 page SRD, 1 page advertisement and 1 page back cover, leaving 7 pages of content.
Seeing that 2012 will be a very piratey year for PFRPG, this pdf provides the beleaguered DM with tables to create pirate ships on the fly: We get 100 ship names, 1oo descriptors for ships, 50 sample ship names, 20 sample names for male captains and 20 names for female captains. We also get 2 tables (DC 10 and 20) on knowledge about the ship with 10 entries each. For a DC 15 or 20-check we get 10 sample pieces of information on crew and captain and even 2 lists on past exploits of the crew. The pdf does not stop there, though and adds 50 pirate epithets, 50 figureheads and 50 sample flags.
In contrast to most "So what's..."-pdfs, we get 3 sample statblocks for pirates - a CR 1/2, a Cr 1 Veteran and a CR 3 master-at-arms. Useful additional content!
Editing and formatting are top-notch, I didn't notice any glitches. Layout adheres to a 3-column standard for the tables and 2-columns for the more wordy sections. The pdf comes with a special version optimized for e-reader usage, but no collated statblocks in a single pdf - seeing that there are 3 and they take up one page, that's not too bad. There is nothing wrong with this pdf and I really enjoyed the statblocks. However, I would have enjoyed more of the knowledge tables and e.g. a "special"-table containing bits of information like "the ship's hull is plastered with sahuagin scales", "fire-proof", "crew-less golem-ship" etc.. That being said, this installment of the series is still a good buy and I'll settle for a final verdict of 4 stars - a good pdf that could have been a bit better.