This is the first ever, 100% unofficial book about Fifth Harmony, the amazing girl group taking the whole world by storm! The book charts their rise from X-Factor USA and includes all the essential details for Harmonizers to test their knowledge, plus loads of photos, quotes, profiles and more. So whether the girls have got you through tough times or just helped to make you smile, if you love their music you'll love this book!

With this book you can say you were there right at the start of the Fifth Harmony dream. Make it an essential part of your collection. And maybe you'll be lucky enough to have your copy signed by either Ally, Camila, Normani, Dinah or Lauren - or them all - if you take it along to Fifth Harmony's next concert.

This is a special edition and will feature the names of 50 super lucky winners of our "Be Part of Fifth Harmony History" competition!