A Straight Ruler On A Book Clipart Image http://www.iclipart.com/search.php?keys=161669&id=198 Surfdoggie's Review: Clipart image of a straight ruler on a book. This color clipart picture shows a green textbook with a blue plastic straight ruler lying across it. It is a full-color clipart illustration, on a tan and white background. Please visit the link above to find out how you may use these images. You may need to pay for use of the images or abide by certain licensing restrictions. academics, book, books, education, geometry, learn, learning, measure, measurement, measurements, measuring, ruler, rulers, school, school book, school books, school supplies, school supply, schools, straight ruler, straight rules, study, studying, textbook, textbooks, tool, tools