un libro para todos aquellos que temen a las matemáticas /
Hans Magnus Enzensberger ; diseñado e ilustrado por Rotraut Susanne Berner ; traducción de Carlos Fortea.
7. ed. (rev.).
Madrid :
Ediciones Siruela,
1999.
255 pages :
color illustrations ;
24 cm.
Tres edades ;
57
Translation of: Der Zablenteufel.
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.