Excellent and comprehesive resource for the earth sciences. If you're homeschooling and creating your own curriculum, I would highly recommend using this book. Probably best for 8-10th grades depending on your child's level. Of course with any older science textbook, there will be cases where the information is a little behind the times, but that information can always be supplimented at a later grade. All in all, this text does a good job of sticking to the subject matter without any superfluous commentary by the authors. It presents facts without opinions.
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