I don't think I included any world building books, like Ready Player One by Ernest Cline or The Colours of Madeleine series by Jaclyn Moriarty or The Eyre Affair by Jasper Fforde, even though those are three of the most unique fantasy/scifi books I've read.
Heads You Lose by Lisa Lutz + David Hayward
Here in Harlem by Walter Dean Myers
I listened to this from last summer's YA Sync give away. I'm really not a poetry fan, but poems as character studies of people living in Harlem was done very, very well.
Then We Came to an End by Joshua Ferris
Weetzie Bat by Francesca Lia Block
The Frozen Thames by Helen Humphries
The Book Thief by Marcus ZuzakDeath as narrator? Colours as emotions. A most wonderful and sad book set in Germany during WW2.
Finding Wonders: How 3 Girls Changed Science by Jeannine Atkins
The Invention of Hugo Cabret by Brian Selznick
Einstein's Dreams by Alan Lightman
The Incident Report by Martha Baillie