This is a Japanese-language book or magazine about science-fiction subjects related to anime and/or modeling.
A little book full of POTC postcards! From all three movies! And these are "official," too! There's no count given on the packaging as to how many postcards are included in the book, but giving it a quick eyeballing in the packaging reveals the number to be over 30. Anyway, there's a lot of 'em!