Joseph Voight, the 11-year-old boy who hand-penned a colorful book about living with Alzheimer's disease, will see his book published next spring, his mother said this week."Big things are happening for Joseph," said his mother, Kathy Phillipson of Grass Valley.When asked how he felt about getting his book published, Joseph said, "Good."The family recently signed a contract with DNA Press LLC, based in Eagleville, Pa. The company publishes books in the fields of science, science fiction, fiction, fantasy, children's books and academic books.Distributors include Amazon.com and Independent Publisher's Group Books of Chicago. It was founded in 2003, according to the …