What are /r/acrylic's favorite Products & Services?

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Get Painting In Acrylics: The Indispensable Guide by Lorena Kloosterboer. Not only will it give you a good foundation in the medium and all its possibilities, as well as a good grounding in color theory, there is a very large section on realist painting strategies and specific techniques to achieve realistic results. Kloosterboer is a photorealist painter, as are most of the artists she chooses to highlight in the book. I really think this one is up your alley.