Описание книги
AdventureKEEN’s rocks & minerals products are proven sellers: more than 220,000 units sold Rock hunting is a growing hobby throughout the USA, and this is a great introduction for the whole family Market: Parents who want to instill environmental morals, encourage an interest in nature, and entertain their children—all at the same time All-in-one source of information, facts, photos, and gee-whiz tidbits in a concise guide Not intimidating: colorful, appealing design with information geared toward children, ages 6–12 Children are fascinated with making discoveries in nature—and with collecting things Rock collecting helps to build the self-esteem of kids; it’s easy to be successful Strong interest in rocks and minerals (e.g. many tourists visiting rock shops, significant sales of books relating to agates and other rocks & minerals) Extreme value: massive information for just $12.95