La historia de las innovaciones victorianas: Fracciones equivalentes: Read-along ebook

Bacteria have a slimy reputation. They're too small to see with the human eye, so it's easy to let them slip past unnoticed. But, bacteria are part of our daily lives. In fact, they affect everything from milk to our moods. Get ready to zoom in on the hidden world of bacteria and explore the many ways that bacteria are being used in the modern world. This nonfiction reader seamlessly integrates the teaching of math and reading, and uses real-world examples to teach multiplication of mixed numbers. Text features include images, a glossary, an index, captions, and a table of contents to build...

An illustrated survey of the history and customs of the native North Americans who were members of hundreds of different tribes with varying lifestyles over the centuries.

"Este libro gigante con paginas desplegables y atractivas fotografias hara que tu hijo desarrolle su destreza manual y aprenda sobre todo tipo de maquinas"--From publisher's description.

Connie es una joven brillante aspirante a profesora de Historia en la dura y competitiva Universidad de Harvard. El verano que debe decidir el tema de su tesis doctoral su madre le pide que vacíe la deshabitada casa de su abuela, cerca de Salem, con el propósito de venderla. Allí, oculta dentro de una Biblia, Connie encuentra una llave que esconde un papel con una extraña inscripción. La investigación que llevará a cabo para desvelar su significado la obligará a remontarse hasta la caza de brujas de Salem, en 1692, y la conducirá a un misterioso libro.Connie decide entonces escribir...

The plot of The Empty Region takes the reader from the military camps of holy warriors in Pakistan, to the security corridors of the CIA and the FBI. It’s a fascinating puzzle inhabited by historical characters, including Osama bin Laden and George W. Bush, as well as officials aware of the tragedy´s secrets. Szichman leads us along the terminals where the air pirates of al-Qaida consummated their tragic ritual, makes us travel on the airplanes, turned into guided missiles, and recreates the 102 minutes when the burning towers of the World Trade Center became hell on earth. Although...