Nick's animal friends travel to visit special loved ones and return home, sharing heartwarming stories about their adventures and who they visited. The red bird is ever-present as a reminder that they are loved, and that someone special is always thinking of them. The theme of the fourth book shows how sharing love between older and younger generations benefits everyone. Unconditional love, emotional guidance, and life experiences are learned from each other and is at the heart of these friendships. Time passes too quickly, yet taking the time to share joy and love is clearly shown by these young animal friends.