Mack at Rainbow Bridge is about the life of a rescued dog, her journey through her life with her new human family, and through the end of it. She was a real dog who taught many people many things, just by being herself. A wonderful companion to the world. This book was written so the world would know her. Know that there are many, many rescue animals that can seize your heart, teach you a lesson about life, and show you what true love is.