Oraciones de La Biblia Para La Hora de Acostarse: Bible Prayers for Bedtime

Mars is perhaps the most thrilling planet these days. With rovers exploring its surface and manned missions in the works, people are wondering if Mars is our next home! In this highinterest book, readers will learn more about Earth's neighbor, including what its climate and surface are like, why it's called the Red Planet, and about the recent discovery of water on its surface. They'll learn all this while solving "Your Mission" math problems that complement and support the text. This motivating volume is an engaging way to explore key aspects of science and math curricula.

Introduces equipment and devices commonly found in a science laboratory, including beakers, a hand lens, a microscope, and telescopes, and describes their use.

Journey through Earth's wet and wild rainforests with vivid photographs of the most unique plants and animals in the world's most untouched forests. Readers are introduced to the importance of protecting the rainforests and vocabulary related to the rainforest and its amazing inhabitants.

Desde los albores de la aviación, a fines del siglo diecinueve, de inmediato resultó evidente que los aviones llegarían a convertirse en armas de enorme poder ofensivo. La confirmación llegó con la Primera y Segunda Guerra Mundiales, cuando el despliegue del arma aérea resultó decisivo en todas las operaciones. Con el tiempo, utilizando tecnologías cada vez más avanzadas, los aviones de guerra, también conocidos como aviones caza, han llegado a convertirse en elementos fundamentales del ataque y la defensa en cualquier conflicto bélico. Este interesante y entretenido libro...