scholastic

"Este libro detalla los principales eventos de la Guerra de Vietnam, así como el impacto cultural de la guerra"

With eight snaking arms and a shapeless body, the octopus is unlike any other animal in the ocean.

Readers will learn about various aspects of the octopus, including its high intelligence level, its masterful ability for camouflage and other defense mechanisms, and its reproductive behavior. Squids and other octopus relatives are also discussed.

Filled with dramatic underwater images by award-winning photographer David Hall, each book in the Undersea Encounters series brings you face to face with remarkable creatures, from pygmy seahorses the size of a fly to giant squid as long as a school bus.  

Children's Press. 

War has been a fact of life ever since the dawn of civilization. But while armies once charged into battle with little more than wooden clubs or stone axes, centuries of innovation have led to a wide range of powerful and efficient weaponry. Readers will trace the history of weapons and other military technology, including such developments as guns, tanks, and guided missiles. They will also learn what today’s top engineers and scientists are working on and how these new weapons could change the way wars are fought.

From the food we eat to the air we breathe, plants are responsible for keeping the people on this planet alive.

 A True Book: Incredible Plants series introduces young investigative readers to many types of unusual and typical plants from photosynthesis, how they grow, and ways they survive in extreme environments. This series includes an age appropriate (grades 3-5) introduction to curriculum-relevant subjects and a robust resource section that encourages independent study.Check out how plants have helped shape our society, and how we have in turn researched and reshaped plants into food, clothes, decorations, medicines, and many other wonders.