"Dasher Learns to Share" is a heartwarming children's book by Dave Martellaro that follows the adventures of Dasher, a lovable dog, as he navigates the arrival of a new friend, Ranger, in his home. Dasher initially feels left out and unhappy as the family showers attention to Ranger. With the guidance of his wise father, Ben, Dasher learns the importance of sharing and welcoming others. The story unfolds with delightful lessons on friendship, generosity, and the joy of making new friends. Children will discover the value of kindness and inclusion through engaging characters and a charming narrative. "Dasher Learns to Share" is a delightful tale that teaches children about the beauty of sharing and embracing new friendships.