The image shows a book with a drawing of four different types of rocks on it.
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The image shows a book with a drawing of four different types of rocks on it. The rocks are arranged in a triangular formation, with the largest rock in the center and two smaller rocks on either side. The colors of the rocks range from light to dark, with some having a glossy finish and others having a matte finish. The text on the book is written in a bold font and is surrounded by a thin black border.