At online publisher Lulu, you can download a free PDF ebook on computational design by Rajaa Issa, using Grasshopper.

http://www.lulu.com/product/download/essential-mathematics-for-computational-design/6470006

She is also the author of other Grasshopper educational material and has a profile page on http://www.grasshopper3d.com/profile/RajaaIssa.

http://www.lulu.com/product/download/essential-mathematics-for-computational-design/6470006

She is also the author of other Grasshopper educational material and has a profile page on http://www.grasshopper3d.com/profile/RajaaIssa.