John Green is one of my favorite YALit authors. Looking for Alaska (2005 Printz Award Winner) was my introduction to his writing and, just recently, I picked up The Fault in Our Stars (can anyone tell me the Shakespearean play from which this title was taken?). After the first few paragraphs, I already knew that this would go to the top of my Must-Be-Read-Now stack.
After a quick search (yes, Google is my BFF), I found quite a few quick vids that I think you might enjoy.
The first is a Book Trailer for The Fault in Our Stars and the second is an audio clip of Chapter One of the same: