Aviones y otras aeronaves

Packed with lively illustrations and fascinating flaps, this book is bursting to reveal amazing secrets."

Aunque los mayas desconocían las aplicaciones de la rueda y no utilizaban los animales ni para el trabajo ni para el transporte, lograron crear una de las civilizaciones más brillantes de la historia. A pesar de que dispusieron de una tecnología muy limitada, colonizaron una parte importante de América Central y construyeron impresionantes monumentos.

Mammals are a very diverse group. From whales and dolphins that give birth in the water to platypuses that lay eggs, these life cycles can often seem very different. However, they’re very similar. Readers learn the basic structure of the mammal life cycle through simple language and accompanying diagrams that show the cycle step by step. The main content offers a way for struggling readers to more easily learn an important science curriculum topic, but can also be a great review tool for any reader.

This entertaining book teaches young readers about the different body parts they use to move and play. Body parts are labeled on the photos showing how elbows, knees, ankles, and fingers bend.