Marcus Butler is one of the world's biggest vloggers. At 23 years old he has his own channel on youtube Marcus Butler and it has almost four million subscribers. He vlogs about a vast range of topics, covering humour, guidance and insight. The young Briton has now gone a bit old school and has a book out, a paperback titled Hello Life!. It is a collection of advice, funny stories and lifestyle tips. BOOK - Hello Life! by Marcus Butler, published by Hachette NZ, RRP $34.99