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        "description": "\u003cp\u003eMaster basic line illusions first, then advance through increasingly complex two- and three-dimensional constructions that challenge your understanding of depth and form.\u003c\/p\u003e\n\u003cp\u003eEach project breaks down into clear steps, showing how subtle shifts in line weight, shading, and angle create effects that confuse the eye. You'll learn why certain configurations trigger perceptual contradictions and how to control those elements in your own drawings. The techniques transfer directly to conventional drawing, understanding how to manipulate perceived depth in trick art sharpens your ability to render convincing dimension in any subject.\u003c\/p\u003e\n\u003cp\u003eHarris works in graphite and colored pencil throughout, keeping materials accessible while demonstrating how value and color intensify illusion effects. The 128-page format provides room for thorough explanation without overwhelming beginners. You're not just copying illusions; you're learning the principles behind them, building skills that make complex perspective problems less intimidating.\u003c\/p\u003e",
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        "vendor": "Walter Foster",
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