There are certainly many books documenting the dementia caregiver's journey, both those from personal perspective as well as third-person accounts. However, few could also be viewed as an inspiring love story.
While not specific to caregivers of people living with dementia, if you are a daughter who is serving in supportive capacity to a parent with dementia challenges you will find Working Daughter by Liz O'Donnell to be of comfort.
If you are looking for an adult book on dementia, Sizzling Bacon by A.F. Scott is not for you. However, if you are searching for a sweet, non-threatening, fantastical story about dementia from the point of view of a child, this one is recommended for those age 10 years and younger in your life.
A Strength-Based Approach to Dementia Care
On the list of the best books for caregivers of the with Alzheimer's disease and other forms of dementia according to dailycaring.com, The DementiaHandbook is an essential resource for those that want to care for their loved ones at home.