Walter Mosley

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The Last Days of Ptolemy Grey

Mosley, Walter

Last Updated: Mar-07-2016
Annotated by:
Teagarden, J. Russell

Primary Category: Literature / Fiction

Genre: Novel


Walter Mosley writes in various genres but is probably best known for his mysteries. His 2010 novel, The Last Days of Ptolemy Grey, could be considered another one of his mysteries, but the mystery plot takes a secondary role. Featured more prominently is the struggle the main character, Ptolemy Grey, has with dementia.   

The reader first encounters Ptolemy Grey when he is 91 years old and living alone in an apartment he has inhabited in South Central LA for more than 60 years. Both he and the apartment are in appalling shape. The apartment is cluttered, disorganized, and dysfunctional—as is his aging brain. He knows his mind is failing and seems to him as if it “had fallen in on itself like an old barn left unmended and untended through too many seasons.” (p.153)

Throughout the novel, Mosley presents aspects of dementia and some of its oddities. For example, while Ptolemy is riding on a bus through his town, certain sights trigger clear memories from his childhood 80 years before. At the same time he is unsure where he is going or why. Mosley also shows how people can possibly realize they are slipping into dementia, for example, when Ptolemy stops talking to a friend once “he could see in her eyes he wasn’t making sense.” (p. 122)

Ptolemy’s great-grandnephew Reggie provides him with the assistance he needs to barely maintain his lonely existence in squalid conditions. When Reggie dies, a new person comes into his life. Robyn, a 17-year-old orphan living with Ptolemy’s grandniece, begins to straighten out his apartment and then his mind.    

As Robyn gets Ptolemy’s apartment more organized and functional, Ptolemy’s mind starts to get more organized and functional as well, but only a bit more. Unsatisfied with his progress, Robyn takes Ptolemy to a physician who has an experimental drug for dementia. Ptolemy is told that if he takes the drug he will regain his mental acuity but probably not live more than a few weeks, or months, at best. Without hesitation he takes the drug—“I wanna make it so I could think good for just a couple a mont’s, Doc” (p. 126)—and rapidly regains many memories and mental capacities. During the time he has with his newfound mental agility, Ptolemy is able to make good on a commitment from his childhood and to solve the mystery of Reggie’s death. While the experimental drug enables Ptolemy to wrap up his business, it also produces a rather violent end to his life.

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