Agatha Christie

What does it mean to be a good citizen? Full-page, color photographs accompany real-life examples of good citizenship that young readers will understand, relate to, and be inspired by.

A beautifully illustrated picture book takes young readers on a journey of discovery to find out what it would be like to go to the moon, as they fly into outer space, walk on the Moon, and take a look at our world from a very, very long way away.

Esta serie de cinco títulos, es una guía práctica y sencilla, que demuestra que pintar con acuarelas no es tan difícil como algunos creen, si se siguen las indicaciones dadas por el autor.

Design a flexible protective layer for a space suit. Space suits have come a long way. The look and function of space suits has evolved over time, but their purpose has always been the same--to keep astronauts safe. From the first suits worn during the Mercury missions, to the latest suits being tested by NASA, there have been great improvements. Learn all about the science behind space suits and how they have changed over time. Created in collaboration with the Smithsonian Institution, this Spanish Smithsonian Informational Text builds reading skills while engaging students' curiosity about...