Fantasmas de nuestra guerra

Venerado y vilipendiado a un tiempo, Lobachevski se cierne imponente sobre la matemática del siglo XIX. Al igual que sucede a la mayoría de los mitos, el Lobachevski real está oculto por capas de negligencia y desconocimiento. Su fantástica obra, argumentaban muchos, no era otra cosa que herejía matemática, una senda falsa. Lobachevski es una personalidad abrumadora, un soñador empedernido, un hacedor de mundos imposibles pero reales. Lobachevski es, para muchos, una persona desconocida. Este libro cuenta la historia de un hombre sencillo, pero sagaz, obstinado y profundo desde el...

En este libro ilustrado para niños, se presentan 7 oraciones en rima, una para cada día de la semana.

California is home to the largest school system in the country. Students will learn about the history of California’s schools and higher education system with this nonfiction text that builds students’ reading skills and social studies content knowledge. The intriguing primary source maps, letters, documents, and images provide authentic nonfiction reading materials and keep students interested in learning. Text features include a glossary, index, captions, sidebars, and table of contents. This book connects to California state studies standards and the NCSS/C3 Framework and features...

A haiku is a type of poetry that follows a pattern. Haiku started in Japan and has become popular around the world. Learn more about why people love to read and write in patterns. Try to create your own haiku, too! This full-color nonfiction reader will engage students in reading while introducing them to new vocabulary terms and concepts. Important text features include a glossary and a table of contents to develop students' comprehension and literacy skills. This Spanish book aligns with national and state standards and features exciting TIME For Kids content to keep English language...