The piling of books. (Bøker på bøker. En bokorms øvelse i stabling.) (Norwegian)
Normat. Nord. Mat. Tidskr. 55, No. 1, 3-7 (2007).
Summary: Given an inexhaustible supply of books. Is it possible to pile them up on a table such that they extend arbritarily far from the edge of the table? In the article this is shown to be the case through a simple construction which ought to be well-known.