Boys, best friends and a summer spent backpacking around Europe... What could possibly go wrong? The perfect holiday read from bestselling YA author, Sarah Mlynowski.

Sydney Aarons is leaving her Manhattan townhouse for a summer backpacking around Europe with her best friend, Leela. They're visiting London, France, Italy, Switzerland and everywhere in between - it's going to be the trip of a lifetime.

BUT... The trip gets off to a bad start when Leela's ex-boyfriend shows up on their flight out of JFK. When they touch down in London, Leela Instagrams their every move in the hope Matt will come and find them... Which he does, along with the most gorgeous guy Sydney has ever seen.

Will Sydney's summer fling last the distance? And what will happen when they all head home?