I've been in Maastricht for the last three days. I've been on the look out for interesting design, although I have yet to locate a used book store.
A poster, for what, I don't know.
Cover for the Dutch translation of Gary Shteyngart's Super Sad True Love Story
Wall of speakers in a clothing store, the clothes weren't as cool as the speakers
Perhaps the world's most impressive bookstore/cafe Selexyz Dominicanen. It's in a 13th century Cathedral.