Description A heartwarming and fun story about friendship, family, and overcoming challenges told through the eyes of Cross, a guide dog in training, and Dario, his young playmate. A book starring two lovable characters, perfect for children ages 4 and up. Cross and Dario are best friends! Cross is a four-month-old puppy, and Dario is a five-year-old "human pup." Cross has joined Dario's family to learn how to become a guide dog. Together, they navigate training and share fun adventures, each with their own unique perspective. This beautiful, full color illustrated book is designed for reading together as a family. It teaches young readers values like friendship, teamwork, and overcoming fears and challenges with the love and support of family. Emilio Ortiz, who is blind, shares this tender story inspired by his own experience with his guide dog.