Guilherme Karsten is an illustrator and graphic designer from Brazil. He was a finalist in Brazil's Prêmio Jabuti literature prize, and a finalist in the Nami Island International Picture Book Illustration Concours.

A big noise echoes around the world, causing chaos and confusion. What could it be? A strange force from another world? An out-of-tune saxophonist? A meteor crashing into a horn factory? And where does it comes from? EveryoneâEUR(TM)s in for a big surprise when the truth comes out!