Las fiestas tradicionales de México

Este libro ilustrado para niños contiene instrucciones paso a paso de actividades creativas que hacer con crayolas.

Discute aspectos alimenticios, médicos, y sociales del embarazo y la maternidad adolescentes. -- Discusses nutritional, medical, and social aspects of teenage pregnancy and teenage parenthood.

Very young children can get to know garden animals with this velvet-covered cloth book with interior flaps. The little fish and the frog from the bond, the bee in search of flowers, and little birds will join them in their first discoveries.

This book gives students an in-depth look at how large telescopes work. The wonder and awe of space and the scientific instruments we use to study it both come shining through in this fascinating book. Full-color diagrams and illustrations will help students visualize how the technology of telescopes works. Students will learn about the creation of mirrors 8 meters wide and telescope teams that work together to create a telescope as powerful as if it had a mirror the size of the Earth!