Tomorrow: A Memoir of Love, Family, and Dealing with Dementia presents, as an open book, the recollections and insights of Andrew J. Rickert, whose sister, Edna, faced the affliction of dementia. Authorized by her power of attorney to serve as her agent, he searched for and found ways to balance his financial, legal, and administrative duties with his lifelong ties that bound the two together as sister and brother.

After providing a sketch of his family's background and history, the author recounts a series of observations about events and encounters with Edna. The clear vision that...