0821839330 SHOW MOOCHABLE + ? RELATED SEARCHES > ADVANCED SEARCH > SHOW COVERS + ASIN Copies Burkard Polster The Shoelace Book: A Mathematical Guide to the Best (And Worst) Ways to Lace Your Shoes (Mathematical World) (Mathematical World) 0 Search BookMooch for a book: SEARCH BOOKMOOCH > Search Amazon for a book: amazon.co.uk amazon.de amazon.es amazon.fr amazon.it amazon.cn SEARCH AMAZON >