Discover everything you need to know about your favourite YouTube megastars in this awesome book.

From epic challenges and charity football matches to the lads' favourite video games, computer characters, sports teams and beyond, this book is crammed full of trivia, stories, photographs and stats for even the most avid of fans. .

• Jam-packed with facts
• In-depth entries on the Sidemen's hilarious challenges
• Full colour photography throughout
• 100% unofficial