El gran libro de las matemáticas del Ogro feroz

A simple introduction to the NASCAR driver who is the son of another winning racer, Dale Earnhardt, Sr.

Explores Energy, How We Use It, Different Types And Forms, Conservation And Transformation Of Energy, Renewable Vs. Non-Renewable, And Energy Conservation.

This beginner's guide offers a first glimpse into the natural world of amphibians. In this addition to the acclaimed About... series, educator and author Cathryn Sill uses simple, easy-to-understand language to teach children what amphibians are, how they look, how they move, what they eat, and where they live. With beautifully detailed, realistic paintings, noted wildlife illustrator John Sill introduces readers to a variety of amphibians, from frogs and toads to salamanders and more. An afterword provides details on the animals featured and inspires readers to learn more.

Todas las pequeñas lectoras que desean adentrarse en el mundo mágico de la hechicería tienen en sus manos un manual práctico de brujas (buenas). En él podrán descubrir todos los secretos de la brujería, algunos rituales mágicos, cómo hacerse un vestuario esencial y sacar partido de todos los utensilios (escoba, varita, etc.), y cosas tan divertidas como hacer tinta invisible, preparar Halloween y dominar hechizos, conjuros y encantamientos.