Billy Robins is an adventurous eight-year-old kid. He lives in Brooklyn, New York, with his parents, John and Sara Robins, his baby brother, Kevin, and babysitter, Mary. His grandparents, Josh and Laura Robins, own and live on a farm in upstate New York. Billy has spent many summer holidays on the farm with his parents. However, this summer holiday is a special one for him. His grandpa, Josh, just bought him his first horse and named him Speedo. Billy...