A Tween's Guide to Saving, Earning, & Spending Money Wisely: Everything an 8-12-year-old Needs to Know About How Money Works Money--everyone wants it, but for some reason, it never sticks around for very long. There are so many amazing things to buy, from new phones to gaming consoles, but you need cash to do it. Well, tweens, look no further! "A Tween's Guide to Saving, Earning & Spending Money Wisely" will guide you through all your money adventures,...