¿Comen hierba los tigres?

Plants are the living things that have been on the planet longer. How do they manage to protect themselves if they can't move? Explore the different mechanisms that plants use to survive in different habitats.

Want to make cool apps and games, but don't know where to start? This straightforward guide gives you everything you need to start making your own fun programs, using simple step-by-step guides. Learn the programming languages Scratch and Python to create games, animations, utilities and more.

"Por medio de prosa simple y dulce, y las ilustaciones vivas, de este tierno libro anima al comportamiento positivo así muestra a los niños que fácil y gratificante es expresar como ser simpatico, apreciado, y amado todos los días."--Fishpond.com.au.

Combine valuable fourth grade math and literacy skills in a purposeful way with the Spanish-translated math reader Viajes: Por tierra, aire y mar (Journeys: Land, Air, Sea). Focusing on the critical skills that 4th graders need to know to advance to the next level, this book incorporates key math concepts into an engaging text that introduces students to different types of maps, including street maps to moon maps. Students will identify map symbols, keys, compasses, grid coordinates, and map ratios. Filled with mathematical charts, diagrams, and practice problems, the text features in this...

A stinky look at the history of personal hygiene reveals fascinating facts, such as the invention of the toilet, how many times Queen Elizabeth I had a bath, how the first sewers were built, and much more.