If your son is 7 to 12 years old and you want to get him started thinking about philosophy, I'd highly recommend he read these three books: Harry Stottlemeier'

If your son is 7 to 12 years old and you want to get him started thinking about philosophy, I'd highly recommend he read these three books: Harry Stottlemeier's Discovery (free PDF at the top right of this page: https://eric.ed.gov/?id=ED103298 https://eric.ed.gov/?id=ED103298) Sophie's World: https://www.amazon.com/Sophies-World-History-Philosophy-Classics/dp/0374530718 https://www.amazon.com/Sophies-World-History-Philosophy-Clas... The Fallacy Detective: https://www.amazon.com/Fallacy-Detective-Thirty-Eight-Recognize-Reasoning/dp/097453157X https://www.amazon.com/Fallacy-Detective-Thirty-Eight-Recogn... These books would provide a better introduction to philosophy in general, than reading about random topics in philosophy.