Title: El gran libro de las matemáticas del Ogro feroz
Description: A fierce ogre finds that children are becoming too smart for him to catch and eat. Instead, he passes his time writing arithmetic problems to challenge the children.
Subjects: Word problems (Mathematics), Juvenile literature, Arithmetic, Problems, exercises, Mathematics, Problèmes des mots (Mathématiques), Ouvrages pour la jeunesse, Arithmétique, Problèmes et exercices, Mathématiques