James Madison

This book describes dump trucks called off-highway trucks, explaining their operating equipment and dumping beds, fuel, and jobs.

"Brief text introduces the concepts of long and short, comparing some of the world's longest animals with animals that are short -- in both English and Spanish"--Provided by publisher.

Motmota es una marmota entrañable, ingeniosa y tierna... Es muy fácil divertirse con sus geniales despistes. En este título de la serie SIENTE, Motmota te demostrará que, sin duda, tiene la cabeza en las nubes, ¡pero el corazón junto al de sus amigos!

This work narrates the meeting of two young students who in a chance chat, begin to play with stars and numbers and learn about physics, chemistry and astronomy. They learn that science is in everyday life so that we imagine it is not a restricted area, only for the geniuses, but a tool, a way of life, a passion.