La antigua Grecia (Ancient Greece)

Algorithms might sound like a complicated tech term, but don't be intimidated, people actually use them every day. Using accessible language and full-color photographs, this book simplifies algorithms in an easy-to-understand way. Readers will be amazed to learn that an algorithm is just a set of steps for computers to follow to get things done. STEM topics from the Next Generation Science Standards are emphasized throughout the text. Sidebars featuring key terms help readers grow their tech vocabulary, and fact boxes provide additional opportunities to learn.

"This oversized book introduces children to the alarming number of species that are endangered, threatened or, unfortunately, extinct. It includes amphibians, birds, mammals, reptiles, and fish, devoting an entire page to each animal. Readers will learn the threats facing each one, where each one lives or lived, including the type of habitat, its diet, size, and ongoing conservation efforts."

Gira las ruedas, abre las ventanas y despliega las solapas para averiguar muchas cosas sobre los huertos y el cultivo de los alimentos.

Explains the basics of the most powerful machines around town and describes their major parts and functions, featuring dynamic photographs that will make little ones feel as though they are in the driver's seat.

Sherlock Holmes había dado ya muestras de su genio en Estudio en Escarlata y en El signo de los cuatro, pero los lectores no se dieron cuenta de su genialidad. Entonces a Conan Doyle ¿a Watson? se le ocurrió la brillante idea de pasear al detective por una serie de relatos cortos. Empezó publicándolos en la revista Strand en julio de 1891. En octubre, cuando sólo se habían publicado tres historias, los editores le imploraban más aventuras de Holmes, el público agotaba las ediciones y Doyle subía sus tarifas. La presión del público era tal, que antes de terminar los doce relatos...