Pilate's Key (John Pilate Mysteries) - J. Alexander Greenwood, David Terrill

In this, the second of Alex Greenwood's novels featuring author John Pilate, the titular hero has gone to Key West to finish writing his memoir.

While out minding his own business one night at dinner, he witnesses a murder ... and his peaceful time in Florida suddenly becomes one round of accidental criminal involvement after another.

Throw in his alter-ego, Simon the Rat, constantly talking to him, and it's a constant round of adventure.

This book has so many twists and turns that it's almost impossible to review without spoilers. Suffice it to say that fans of thrillers are sure to like this one, as it takes hold of you and doesn't let go!

Source: http://www.goodreads.com/review/show/645907033