Not A Sparrow Falls
Both areas of work care for people. They put others first. Their jobs mean their hearts are on the line. It is almost impossible not to become involved in the lives of others. They are both vocational careers.
There is a wonderful bond between the K-9 handler and his dog. They are a team.
The search and rescue in the story can be seen as a motif for God. He searches for each one of us and rescues us from our situations to bring us home to Him. The novel shares Biblical insights from God. His eyes are on us all.