Suhak kwisin
Subtitle: suhak ŭl sirŏ hanŭn han sonyŏn i suhak ŭi wŏlli rŭl kkaeuchʻigi kkaji
By: Hansŭ Magŭnusŭ Enjensŭberŭgŏ kŭl ;  Rotʻŭrautʻŭ Sujanne Berŭnŏ kŭrim ; Ko Yŏng-a omgim.
Contributors: Berner, Rotraut Susanne, ill.
Edition: 1-pʻan.
Series: Piryongso chʻŏngsonyŏn -- 1
Publisher: Piryongso
Published: 1997
Place of publication: Sŏul
Language: kor
Number of pages: 294
Subjects: Mathematics -- Fiction.; Numbers, Natural -- Fiction.; Dreams -- Fiction.
Genres: Fiction.
Work titles: Zahlenteufel.
Description: 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.
Notes: Translation of: Der Zahlenteufel.