Derecho de las obtenciones vegetales

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...

A bilingual collection of poems in which the renowned Mexican American poet revisits and celebrates his childhood memories of summers, Mexico, and nature.

En 1792, una sanguinaria bestia hace estragos en la Hoya de Castalla, donde cunden rumores sobre una extraña epidemia. El botánico A.J. Cavanilles recorre la región en busca de un antídoto contra la hidrofobia mientras elabora un catálogo de plantas por encargo de Carlos IV. Para poder adentrarse por zonas escarpadas llenas de peligrosos precipicios toma como guía a un avispado muchacho del lugar, el pícaro Ángel Taras, que servirá como contrapunto del ilustrado. Iniciada la expedición, pronto serán testigos de siniestros acontecimientos: un cadáver incorrupto al ser desenterrado...

A digital solution for your classroom with features created with teachers and students in mind: - Perpetual license - 24 hour, 7 days a week access - No limit to the number of students accessing one title at a time - Provides a School to Home connection wherever internet is available - Easy to use - Ability to turn audio on and off - Words highlighted to match audio This colorful book introduces readers to several common insects.