https://www.amazon.com/How-Draw-101-Animals-Green/dp/1842297406/ref=zg_bs_2874_1?_encoding=UTF8&psc=1&refRID=H0N93GR7QZBY4HDJCE7X https://www.amazon.com/Drawing-Lessons-Teach-Yourself-Draw-ebook/dp/B00EFYZ9DU https://www.amazon.com/You-Can-Draw-30-Days/dp/0738212415
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