It really irks me when historical fiction forgets or ignores the fact that people in times past did not have the same mind-set (supporting feminism, individualism, self-determination, etc.) that we have today. But I can almost forgive this book for committing that most common of sins because the setting was so interesting. But the plotting and writing were pretty mediocre, and the setting wasn't enough to overcome all of those weaknesses.
So I'm not exactly the target audience for this book--that would be teen evangelical girls who don't find it odd to get advice from people barely older than they are. Instead, I read this with my anthropologist hat on; I am somewhat embarrassed to admit to my fascination with the Duggars, but I find their approach to Christianity/parenting/homeschooling/lifestyle to be lovely, compelling, and horrifying.