How well do you know someone, even the one you love, who loves you too? One day Mack just suddenly disappears, leaving behind a letter asking Simone not to try and find him. Of course she does the opposite, aided by Jazzy, Mack's best friend. Jazzy is a wimp, scared of his own shadow and Simone seems a bit dim! This book was well written and easy to read - another book to put in your holiday suitcase!