Ralph Castaneda, Jr. has been many things, including an activity leader for children, but is currently a Help Desk and Training Manager and the author of this book. A graduate of the University of ...lihat lebih banyakRalph Castaneda, Jr. has been many things, including an activity leader for children, but is currently a Help Desk and Training Manager and the author of this book. A graduate of the University of California at Berkeley, he currently resides in Woodland, California.lihat lebih sedikit