The Willoughbys by Lois Lowry
Five children are hated by their parents and children are trying to do away with parents while parents are trying to do away with children.
Author's style: Very dry sense of humor - you have to think about it to get the jokes. LOTS of vocabulary, but also lots of contextual and text clues. Humorous glossary in the back.
So B. It by Sarah Weeks
Heidi struggles to learn her family history, with a mother who is severely mentally disabled. She is raised largely by a neighbor who has a fear of leaving her apartment. In her search for the truth, she discovers that there are many twists on truth, and finding the truth doesn’t always answer all the questions.
Artemis Fowl Graphic Novel by Eoin Colfer and Andrew Donkin
Everything a good graphic novel should be - developed plot, creative new world, and of course, the villain.