TY - BOOK N2 - Annoyed with his math teacher who assigns word problems and won't let him use a calculator, twelve-year-old Robert finds help from the number devil in his dreams. AB - Annoyed with his math teacher who assigns word problems and won't let him use a calculator, twelve-year-old Robert finds help from the number devil in his dreams. T1 - The number devil :a mathematical adventure / DA - 1998. CY - New York : AU - Enzensberger, Hans Magnus. AU - Berner, Rotraut Susanne, ET - 1st American ed. CN - PZ7.E72455 CN - PZ7.E72455 PB - Henry Holt, PP - New York : LA - eng PY - 1998. ID - 232423 KW - Mathematics KW - Numbers, Natural KW - Dreams SN - 0805057706 (alk. paper) TI - The number devil :a mathematical adventure / ER -