Best-selling author Dan Gutman delights young readers with the what-if appeal and gentle humor of his Baseball Card Adventures, featuring a time-travelling boy who loves baseball. When Stosh travels into the past to meet Roberto Clemente, a legendary ballplayer and a beloved humanitarian, he's got only one goal-to warn Roberto not to get on the doomed plane that will end his life in a terrible crash. "This series entry is both amusing and informative."-Booklist