The story is written as a gentle, encouraging and faith-based explanation of Grandpa's experiences with cancer and its treatment. The story is a testament to the importance of family relationships, spirituality, faith, humor and the capacity of children to understand the importance of comfort and love. Love Beyond Rainbows, Grandpa Has Cancer, is written as a tribute to the author's father, Gilbert George Haven, who faced cancer with the strength dignity, grace, humor, wisdom and faith in which he lived his life and always sought "higher ground."