El libro de las respuestas a todos los porques / The Answer book on all the Whys

Although Earth is mostly made up of igneous and metamorphic rock, sedimentary rock covers about 75 percent of Earth's land surface. This means it's the most visible kind of rock on Earth. Sedimentary rocks form when sediment accumulates and compacts. Your readers will learn how sedimentary rocks form, the different types of sedimentary rocks, and how people use sedimentary rocks. Fun fact boxes provide readers with additional information. A helpful diagram illustrates how sedimentary rocks form.

Compares and contrasts the plants, animals, and indigenous peoples of the world's rainforests by continent, exploring secrets of survival in the forest and examining how human exploitation threatens these diverse habitats.

Sadako Sasaki tenía tan sólo doce años cuando murió. Una terrible bomba atómica fue lanzada sobre su ciudad, Hiroshima, en Japón, cuando ella contaba dos años de edad. Diez años más tarde, enfermó de la leucemia como resultado de la radicación de aquella bomba. La autora ha querido destacar en Sadako su gran espíritu y valentía a la hora de afrontar el futuro que ella sabía que le esperaba.

GRADES PK–2: This 16-page Spanish title (8'' x 8'') introduces early readers to the leopard—what they eat, why they climb trees, and how far they can jump! FEATURES: Simple Spanish text and vivid photos present fascinating facts about an amazing African animal. Comprehension questions are included to advance learning. EARLY BILINGUAL LITERACY: Help young learners strengthen their bilingual skills—add the English version of this title into your collection, too. BUILD A LIBRARY: Collect every title from the collection to stock your home or classroom library. Reading together is a great...