Arboles de globos / Balloon Trees

Once the Industrial Revolution made it to the United States, the workforce changed forever. Not only that, family life, childhood, and the economy changed, too. A complex topic with many facets, the Industrial Revolution is covered in accessible language in this book. Written with social studies curricula in mind, the main content includes age-appropriate detail, such as important dates, people, and vocabulary readers will likely need in the classroom. Developing readers and those in need of review need look no further than this volume to enhance or refresh their knowledge of this key time...

Explores the different types of land on Earth including deserts, seashores, plains and explains why they change.

La cultura medieval islámica ha dado figuras espléndidas. Omar Jayyam, poeta y filósofo, algebrista y astrónomo, es sin duda la más fascinante de todas. Su pensamiento fue heterodoxo, su saber inmenso, su obra variadísima. De lo que nos ha llegado de su poesía no siempre es fácil distinguir lo auténtico de lo apócrifo, y de lo que sabemos de su vida, la historia de la leyenda. Su más importante aportación algebraica, la resolución sistemática de las ecuaciones cúbicas cortando cónicas, se procurará poner al alcance de un lector moderno sin alterar las ideas de fondo.

Encourage beginning readers to learn about days, weeks, months, and years with this engaging Spanish book! This nonfiction book for kindergarten students features detailed images, simple text, a glossary, and an index to help kindergartners develop their reading skills. A fun activity promotes additional thinking and learning.