by Sally Matheny   Today, I’m posting a book review of My Name is River, authored by Wendy Dunham, and we have a special giveaway! If fictional worlds merged, I bet twelve-year-old, River Starling, the main character in My Name is River would be best friends with Opal, the ten-year-old main character in Because of Winn Dixie. Both girls are similar in spunk and curiosity. However, author, Wendy Dunham, presents River with the “class dork” for a friend. Since River is running low on camaraderie, and she’s been assigned a class project with him anyway, River decides to give William a chance. Besides, her Gram always says, “If you judge…