It's always been just Ryder and his mom-ever since Ryder can remember. And they make a strong pair, relying on each other through thick and thin. But one day, on the way home from Ryder's baseball team practice, everything changes.Fast-forward hours later, and Ryder's mom is in the hospital fighting for her life. She's been hit by a truck while trying to cross the street, and Ryder knows it's all his fault. If he hadn't pulled away from her at that moment, his mom would never have stumbled into the street. So when the doctor's diagnosis comes and Ryder learns that his mom will need an expensive operation to survive, his world stops completely.He is now utterly alone, but he knows what he has to do.He finds in his mother's closet a letter and a baseball signed by a Major League Baseball player. After what his mother has told him about this ball, he's sure the ball contains his father's signature. With this clue, and the help of his next-door neighbor and a New York City firefighter, Ryder goes on the search of his life, to find his father and get the support he needs to save his mom. But will everything fall into place in time to save her, or will Ryder become a lost boy foreverNew York Times bestselling author Tim Green knocks this one out of the park, combining heart and baseball to create a story that readers will never forget.