Todos Somos Diferentes (We Are All Different)

Besides oil, Texas has long been associated with cattle and agriculture. Learning about these industries will allow readers understand how valuable their development is to the growth of the state of Texas, as well as America's economy.

"Un libro elegante en forma y fondo, con una temática que se ha explorado muy poco en los libros para niños. Hay seres tan pequeños que no es posible verlos a simple vista. Aunque están por todos lados, desde el fondo marino hasta las sábanas, Ésólo podemos observarlos a través de un microscopio! Este libro pone al alcance de todos el misterioso universo de los organismos unicelulares, los protozoarios y los paramecios. En cada página doble éstos crecen hasta 150 veces y nos muestran sus poblados ecosistemas microscópicos. Los autores describen, con un lenguaje científico preciso...

Presents a series of puzzles and exercises designed to present numbers, geometry, measurement, and other mathematical topics to seven-year-olds.

Readers may never expect that they might free fall to Earth, but if they have ever dived into a pool, that's exactly what they've done. This Spanish-translated book shows readers how Newton's three laws of motion affect divers, skydivers, and mountain climbers' movements. Readers discover who uses gravity, who works against it, and all other forces that contribute to a successful dive or climb. After reading this Spanish-translated book, readers can decide if they will ever be interested in engaging in one of these extreme sports.