Eric Carle die-cut pages, foldouts, and other innovative uses of page space." In a 2012 survey of "School Library Journal" readers, "The Very Hungry Caterpillar" was voted the number two children's picture book behind "Where the Wild Things Are". Eric Carle Eric Carle (born June 25, 1929) is an American designer, illustrator, and writer of children's books. He is most noted for "The Very Hungry Caterpillar", a picture book that has been translated into more than 65 languages and sold more than 46 million copies, which is equivalent to 1.7 copies sold every minute since it was published. Since it was published
Hole punch can only be applied to paper formats that are at least high. Another standard also occasionally used in the US is a "filebinder" system. Its two holes are positioned symmetrically, with the centers apart. In Sweden, a four-hole national standard is almost exclusively used. The centers of the holes are 21 mm, 70 mm and 21 mm apart. The guides help keep the paper in a straight line. The official name of this four-hole system is "triohålning", since it was adapted to the "Trio binder" which was awarded Swedish patent in 1890. The binder's inventor, Andreas Tengwall, supposedly named it