The Shoelace Book

Crisscross, zigzag, bowtie, devil, angel, or star: which are the longest, the shortest, the strongest, and the weakest lacings? Pondering the mathematics of shoelaces, the author paints a vivid picture of the simple, beautiful, and surprising characterizations of the most common shoelace patterns. The mathematics involved is an attractive mix of combinatorics and elementary calculus. This book will be enjoyed by mathematically minded people for as long as there are shoes to lace.Burkard Polster is a well-known mathematical juggler, magician, origami expert, bubble-master, shoelace charmer, and "Count von Count" impersonator. His previous books include A Geometrical Picture Book, The Mathematics of Juggling, and QED: Beauty in Mathematical Proof.

Learn how to tie your laces with this wonderful, new addition to the Tiny Tots range. With a practice lace and an easy, step-by-step guide, this delightful book is fantastic for little lace-learners.

"Includes a practice show and step-by-step instructions!"--Cover.

"Includes make-it-yourself model shoe"--Back cover.

Steven has trouble learning to tie his shoes but hates to admit it.

Problem solving is a pleasure - when you can get rid of those mental blocks. That's just what this collection of puzzles helps you do, even as it offers hours of entertainment. There's advice on working through the tough spots and exercising those creative mental muscles. Start with a classic about The Man with No Eyes. He's gone to the woods to view the skies. He sees a tree with apples on it: he takes none off, yet leaves none on. How can this be? Or try the numerical St. Ives Riddle, from a rhyme first published in 1202. Decipher mystery signs, make symmetry folds, and do the Twenty-Five Point Connect.

“The art of deft shoelace presentation” —Entertainment Weekly Transform your dogs from same-old to super-fly with Laces, the ultimate shoe-makeover handbook. Whether you want to completely customize your kicks or just learn how to tie a knot that won’t come undone, Laces shows you how to lace up with style and put Velcro lovers to shame. • 50 fresh lacing styles, including Zipper, Checkerboard, Spider Web, Ladder, and Star • 16 hot knots, including the world’s fastest, “the Ian” • 4 color-coded practice laces you can use right on the front cover

Metelis wants to go for a walk but she can't find her shoelaces! What will she do? This is a beautifully illustrated book for 4-8 year old readers. Proceeds from this sale benefit nonprofit organisation Library For All, helping children around the world learn to read.