Gunnar Garfors, is the youngest person ever to travel to all 198 countries in the world as a hobby.
Garfors published a book about his travels, called 198: How I Ran Out of Countries
"Gunnar Garfors has visited all 198 countries in the world - as the youngest hobby traveler - and has encountered people, places and situations most can only dream of. The globetrotter has deftly woven his experiences together into a story that takes the reader on an emotive ride and establishes a connection with him and his quest. Expect outrageous tales grouped in original themes, complete with own chapters for every country."