Los contrarios
By: Arianna Candell ; [illustrator], Francesc Rovira.
Contributors: Rovira, Francesc, ill.
Series: El osito estudiante
Publisher: Barron's
Published: 2004
Place of publication: Hauppauge, NY
Language: spa
Number of pages: 34
Subjects: Size perception -- Juvenile literature.; Polarity -- Juvenile literature.
Genres: Juvenile literature.