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'Cosmos' this was not. While the articles were interesting, the art did not meet the expectations raised by the publishers jacket comments. It would pay to do a more judicious examination of reviews next time. The articles touched on a number of interesting topics, so it was a fair book in all.
WARNING. Don't judge this book by its cover. Its NOT a compilation of the type of classic science illustrations you see on the front cover... Rather, every other page has a random illustrator's take on a 1-page write up of a scientific topic that takes up the adjacent page. I can't say if the illustrations are good or bad, that's too subjective, but I can say they are NOT technical illustrations, like you might expect just by looking at the front cover.
If you are looking for basic illustration of all different types, vaguely related to a science theme or topic, this book might be for you.
If you are looking for science and/or medical related illustration (cross-sections, information diagrams, technical and medical illustrations, etc.), this is NOT the book you are looking for.