I read Evidence-Based Parenting: The Frontier of Education Economics.
This book by education economist Makiko Nakamuro answers questions about parenting and education from an evidence-based perspective.
It addresses questions any parent eventually wonders about—"Should I reward my child?", "How much study time is enough?", "Is it better to be at the bottom of your first-choice school or at the top of your second-choice school?"—and organizes the discussion around research findings.
What I appreciated is the tone: rather than declaring absolute conclusions, it presents "this is what the current evidence suggests." It shows likely tendencies along with their limits, so it works well as a foundation for making your own decisions.
Parenting is an area where emotion and personal experience tend to dominate. Having a book like this on hand lets you compare your intuition against what the data suggests when you have to make a call.
It is useful not only for parents, but also for anyone in a role of developing others—managers and people involved in education will find applicable insights here as well.