Our Short History's characters were all convincingly written, and the plot/s of the book generally worked for me. The book gives us Karen, a terminally ill, single mother writing to her young son a kind of "so long, I love you" book to him. Karen may be ill, but she's a fighter -- by day, she's a hired campaign strategist for Democrat candidates operating in New York, and she is attempting to continue this work even as she battles her cancer. On top of this, her son, Jake, has asked her to reach out to the father that he has never met, causing great stress and anxiety to this already fragile woman.
Sadly, I had great trouble with this book's narrative format, specifically the countless, lengthy paeans of love she writes for her son and the "Forever Young" (the Bob Dylan song)-inspired sort of advice she scatters here and there amidst the book's plot to him. At first it was sweet, but after a while, I found that it kept killing any narrative momentum the book would go and build up for itself. After a while it also became irritating. At one point, Karen writes some such thing about how she can already tell that Jake, her son, will be a champion for the downtrodden and the powerless (don't quote me here, but it's something like this) because of how he carries himself as a 6-year-old. It's just a little too much.
Also, someone named Patty on Goodreads has pointed out that this particular format has plausibility problems for readers:
"Not a fan of the letter/journal to a loved one style of writing because it always [yields] parts of the story that don't ring true, that a normal person wouldn't tell their loved one, but the author feels it needs to be part of the story. In this one, I can't see any good reason why Karen would need to tell her son about her candidates extramarital affairs."
I agree with this. And I think Grodstein would have been more successful if she scrapped the idea altogether and told the story in a more conventional way.
For all of these reasons, I put this one aside about halfway through.