Princesas y lobas

Learn the history of number systems with this engaging Spanish book! This text combines mathematics and literacy skills, and uses practical, real-world examples of problem solving to teach math and language arts content. Students will learn place value while reading about the number systems of the Egyptians and Romans, and also learn important vocabulary terms like cuneiform, binary systems, roman numerals, and more! The full-color images, math charts, and practice problems make learning math easy and fun. The table of contents, glossary, and index will further understanding of math and...

Reveals the truth about cannibalism in pre-Columbian America, avoiding sensationalism and opting for historical accuracy on a matter that has been subjected to all sorts of misinterpretations as well as mistaken beliefs.

“La utopía reptante y otros relatos recopila una generosa muestra de la narrativa de José Siles González, que ha incluido en este volumen antiguas historias y otras de nueva planta. A lo largo de los dieciséis cuentos, que abarcan desde el neolítico hasta un futuro tan indeterminado como virtual, el autor ofrece un muestrario de personajes estrafalarios y entrañables, irremediablemente perdidos en un mundo que se está convirtiendo en la caricatura de sí mismo.” Joaquín Juan Penalva, Escritor y crítico literario “Deudor de nadie, si acaso de Tom Sharpe, y fiel a las señas de...

Which animals and plants can survive in a dry desert environment? Readers learn about the living things that make up desert food chains, including cacti, snakes, and scorpions. Colorful photographs of desert life make readers feel like they’re exploring new parts of this habitat with each turn of the page. Fact boxes provide additional information about the creatures that make up desert food chains, and a detailed food web shows how these food chains all come together. The desert is an extreme habitat, and readers will enjoy learning about the extreme plants and animals that live there.