Series of books by Cressida Cowell.
Jump into the legendary world of Vikings and explore the city of Berk. You ‘ll never regret meeting Hiccup Horrendous Haddock III and his father, Stoick the Vast … and their pets, their dragons!!!
My favourite is Toothless, the Night Fury or «Φαφούτης, Οργή της Νύχτας» in Greek!