After many years of service to mathematics education, Russell Jacobs retired at the end of 2009. Tessellations has acquired his popular "Design" titles, which will continue to be available.

For more information on Jacobs Publishing books and other products by Tessellations, please visit

To purchase Jacobs Publishing books online, please visit Mathartfun specializes in products that combine math and art, including products featuring the art of M.C. Escher, puzzles, manipulatives, and much more.

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