El chip experimental

From art and architecture to politics, philosophy, and mathematics, "western civilization" owes a great deal to the achievements of ancient Greece, but what do we really know about this long-gone civilization? How did geography influence the politics of the Greek city-states? What's the difference between an agora and an acropolis? This book takes readers several thousand years into the past, when independent city-states ruled the Mediterranean Sea, to find the answers. Full-color photographs and maps, accompanied by accessible text, introduce readers to the many contributions the ancient...

Alguien está dando muerte a los Cazadores de Sombras del círculo de Valentine, y esas muertes enemistan de nuevo a los Cazadores de Sombras con los subterráneos. Sólo Simon, ahora convertido en vampiro, podrá evitar el enfrentamiento. Mientras, Clary y Jace descubrirán un misterio que les llevará a fortalecer su relación o... a destruirla para siempre.

Examines the apparent connection between birds and dinosaurs by comparing fossils, dinosaur bones, and modern birds.

Sharing Is Sometimes Hard For Young Students. This Book Talks About Different Things And Ways You Can Share To Get Along Better With Your Classmates And Friends. Complete K-5 Social Skills Collection. Paired With A Fiction Social Skills Title.