No "Inventory"?
I know it's a fine tome that deserves to be examined carefully by every reader, but AV Club's own "Inventory" is perfect for this list. I cannot tell you how many people I've gotten interested in the site with that book as a gateway drug.

This Is
without question the best new Arcade Fire material I've heard since "Neon Bible."

Odd
My grandma, in her early years, went by Kitty Kelley. Same spelling on the Kelley too. And she's been dead for 13 years. STOP STEALING MY GRANDMA'S LIFE FORCE, KITTY KELLEY!

I don't think anything has made me this happy in a long long time.