Seconds Away - Harlan Coben, Orion Books

When tragedy strikes close to home, teenager Mickey Bolitar and his loyal new friends - sharp-witted Ema and the ever-charming Spoon - find themselves at the centre of a murder investigation involving their friend Rachel. Now, not only does Mickey have to continue his quest to uncover the truth about the mysterious death of his father, he also needs to figure out what happened to Rachel - no matter what it takes.Mickey has always been ready to sacrifice everything to help the people he loves. But how can he protect them when he's not even sure who - or what - he's protecting them from?