Lucy and her best friends forever, Tilda and Jules, are determined to make it onto eco-friendly TV show "Go Green" with their latest creative project. Plus they're desperate to revamp Tilda's seriously embarrassing bedroom - it's a total style disaster area. Can the girls persuade Tilda's super-strict dad to let them makeover her room, and still find time to go green and make it on TV? Girls everywhere are in love with these diary-style books, crammed full of secrets, notes, and hilarious illustrations, and will be waiting eagerly for this latest on-trend addition to the series.