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I thought this was a children's book. It IS, but it has some sketchy material for kids, and I wasn't comfortable gifting this to a little boy I knew (bought it specifically for him because his name is Matthew like the little mouse), so it was a wasted purchase. The overall idea of the book is great for kids, specific details are NOT for kids. I don't recommend this book unless you are an unusual adult that loves reading beginning books on your own. In that case, by all means buy the book!