Learning the principles of biblical money management and teaching them to your children could be one of the most important life lessons that you pass on your children and will have spiritual and practical implications.
Reading about this book on Amazon, it has received good reviews from readers, however it was published quite a while ago: 1992. Although I believe that biblical principles are timeless, an option for a more recent publication (2006) is Your Kids Can Master Their Money: Fun Ways to Help Them Learn How (Focus on the Family Books)