Roy G. Biv, the main character is a little boy who goes on a journey in every book to learn about a different culture or place in time. In every book, he rides his rainbow which spell the colors of his name to travel to the different places. In this book- Roy G. Biv's Big Day, he takes a journey on his rainbow to learn about the Navajo Indians and their way of life. Roy G. Biv's Big Day is the 1st book of the Roy G. Biv Series and is authored by: Donnell Stewart and illustrated by Marcus K. Anderson. Roy G. Biv is up for a few New Author Children's Book and Illustration Awards for 2010.