We Were Liars

 

We Were Liars by E. Lockhart  YA

(from Goodreads)  

#A beautiful and distinguished family.
A private island.
A brilliant, damaged girl; a passionate, political boy.
A group of four friends—the Liars—whose friendship turns destructive.
A revolution. An accident. A secret.
Lies upon lies.
True love.
The truth.

We Were Liars is a modern, sophisticated suspense novel from New York Times bestselling author, National Book Award finalist, and Printz Award honoree E. Lockhart.

Read it.

And if anyone asks you how it ends, just LIE.

(My Review) 

So, so the main character is trying to remember events that happened years ago on her grandfather's private island.  Everyone refuses to help her remember the tragic events, but she is determined to find out what happened and why they won't tell her. Hmmm...