A 4-year-old UK boy has landed a book deal for his poetry collection and will become one of the world's youngest published authors. Nadim Shamma-Sourgen penned several poems including 'Coming Home', 'Love' and 'Baddies'. Sri Lanka's Thanuwana Serasinghe, who was four years and 356 days old when he released his book, holds Guinness record for the youngest published male author.