La carta de derechos

Eco-Friendly Energy Is Explained. The Most Current Information Is Provided While Establishing The Understanding That It Does Not Take Much To Make The World A Better Place.

Defines pulleys, explains their functions, and suggests simple experiments to demonstrate how they work.

Defines screws, explains their functions, and suggests simple experiments to demonstrate how they work.

Germs Are Not for Sharing/Los gérmenes no son para compartir paperback (ages 4–7): Sneezes, coughs, runny noses, spills, and messes are facts of everyday life with young children. This book teaches kids what germs are, what they do, and why it’s so important to cover them up, block them from spreading, and wash them down the drain. Includes tips for parents and caregivers.

Provides the story of the black woman whose refusal to give up her seat on a bus in Alabama set in motion all the events of the civil rights movements that resulted in the end of the segregated South.

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

Esta vez Lyna se enfrentará a una rival hecha exactamente a su imagen y semejanza, alguien que quiere acabar con ella. ¿Podrá con ella? Lyna está disfrutando muy tranquila de unos días en Tembleque, junto a su Meli, la abuela Rita y Dani, sin saber que un peligro la acecha. Desde un universo paralelo, llega al pueblo un extraño personaje que quiere ocupar su lugar y eliminarla para siempre. ¿Podrán descubrir el peligro a tiempo? ¿Lyna será capaz de derrotar a su rival o desaparecerá de este universo? Acompaña a tus personajes favoritos en esta intrigante aventura.