The OpenLab at City Tech:A place to learn, work, and share
The OpenLab is an open-source, digital platform designed to support teaching and learning at City Tech (New York City College of Technology), and to promote student and faculty engagement in the intellectual and social life of the college community.
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On page one I think you were successful in using the guides to use rule of thirds when placing your textbook. I think what you should take in consideration next is alignment and flush depending on your placement.