Here's a fun adventure to prepare you for a tour of Chichen Itza. It heightens your imagination and familiarizes you with the layout of the ancient city, thanks to a map.
Secret of the Andesby Ann Nolan Clark. (Newbery Medal winner) An Incan boy learns his cultural history and the skill of tending llamas. Discontented, he leaves his valley, but returns to take a sacred vow to guard the Inca's gold and to keep the llama herd intact.