My second favorite activity, after making children’s books, is traveling. So I was ecstatic when the United Nations International School (UNIS) in Hanoi, Vietnam, invited me to spend a week at their school as a visiting author/illustrator. But if I was going to fly all the way to Vietnam I wanted to see as much as I possibly could. So I began planning a two-week trip, where I could explore the Vietnamese culture and countryside, as well as visit the UNIS school in Hanoi. After a painfully long flight I landed in the Hanoi airport, and immediately hopped aboard an…