Derecho de las obtenciones vegetales

The Bill of Rights is one of the most important parts of the United States Constitution. Understanding this document is a vital part of understanding the rights we have as American citizens. This informative volume delves into each amendment of the Bill of Rights and looks at the important people and political decisions behind them. Graphic organizers, charts, and primary source documents supplement this already richly informational resource.

The Mi Mini Biografia series are Spanish language biographies for the earliest readers. This book examines the life of Eleanor Roosevelt in a simple, age-appropriate way that will help children develop word recognition and reading skills. Includes a timeline and other informative backmatter.

Describes the frogs, toads, and salamanders of Mexico's Yucatan Peninsula, looking particularly at the wide variety of adaptations found in the few species that dwell there.

"Dino" Don Lessem brings readers face-to-face with various dinosaur species, detailing their habitats, way of life and how they became extinct. An acclaimed dinosaur expert, Don Lessem has written more than 30 children's books, writes a popular dinosaur column in Highlights magazine, and was an adviser for Jurassic Park. Take a trip through dinosaur time to meet these fast dinosaurs face-to-face: The Gallimimus could outrun a sandstorm! The Struthiomimus may have been the fastest dinosaur. It could run up to 60 miles per hour! The Liaraptor ran until it took off into the air! These may have...