It offers reader-sourced recommendations – ad-free. I’ve just recommended The Night Circus, by Erin Morgenstern (click here to find out why). If you’re interested in sending in your recommendation, you can do so here.
I’m also helping out as an elf, so I get to see behind the scenes. There’s a ton of great stuff lined up, and I highly recommend checking it out and following @AdventBookBlog on Twitter.