Agujeros negros (Black Holes)

History is full of unsolved crimes, mysterious disappearances, and strange sightings. Readers will discover some of the most well-known mysteries in history--including Amelia Earhart, Big Foot, and the Salem Witch Trials--in this fascinating, Spanish-translated nonfiction book. Featuring detailed images, intriguing facts, and informational text in conjunction with a glossary of terms and an index, readers will be enthralled from beginning to end!

Two books in one, this oversized volume shows readers the plants, root systems, insects, fossils, animals, mines, gems, minerals, and man-made wonders such as tunnels, subways, submarines, pipes, cables, and power lines that can be found underground or underwater in an unforgettable visual way. Each page takes you deeper and deeper under the waves or through layers of earth.

El alférez Francisco Arner está al mando de una sección en Tamucha, un puesto militar cercano a Ifni. Mientras, a muchos kilómetros de allí, en el palacio de El Pardo, Franco y sus ministros "organizan" la guerra. Una noche el aférez, junto con sus soldados, es enviado por su superior de patrulla nocturna. Con tan mala fortuna que es precisamente aquélla la noche escogida por los marroquíes para iniciar las hostilidades bélicas contra los puestos militares españoles de la zona. En diciembre de 1957 estalló la guerra entre España y Marruecos. Silenciada en su momento y...

Teach children that being honest in words and actions builds trust and self-confidence, and that telling the truth can take courage and tact in this English-Spanish bilingual book. It’s never too soon to learn the difference between what’s true and what isn’t. In this English-Spanish bilingual book, words and pictures help young children discover that being honest in words and actions builds trust and self-confidence. They also learn that telling the truth sometimes takes courage and tact. Includes discussion questions, skits, scenarios, and games that reinforce the ideas being taught,...