From the campaign:
You, amazing supporters, have done it again! Smashed another stretch goal and added pages to the Megadungeon 3! If we can push it over 100 pages, this could be our largest Megadungeon EVER. Now added to the mix is Owen K. C. Stephens' Sewer Bestiary in PDF (also available for $10 in dead tree).
Next up is a bigger expansion! This one takes the map to 49 pages. A 7 page x 7 page Megadungeon and we still have time to grow it to over 100 pages.