¿Por qué hibernan los animales? (Why Animals Hibernate)

The rock cycle has been taking place for millions of years. However, geologists have only known about this phenomenon for about 300 years. Young terrestrial explorers are introduced to different types of rocks, where in the cycle these rocks fit, and where in Earth's layers each step takes place. Fact boxes provide readers with fun additional information. A diagram helps readers make sense of the new information they're learning.

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.

¡Skuiter ha desaparecido! Rápidamente se ponen todos a buscarlo hasta que descubren que... ¡ha ido al santuario! Dani, Evan, Bizcoché, Julián y Maribel viajan hasta el Jurásico para buscar a su amigo. ¿Estará en peligro? Pero cuando llegan, descubren que algo terrible sucede en el mundo secreto de los dinosaurios. Y la única forma de salvarlo es encontrar la cueva del T-Rex dorado.

The environment you live in gives you what you need, but you have to really know what's around you. Through sight, hearing, and the other senses, you can understand what's going on outside your body. Lift the flaps in this visual guide full of curiosities and anecdotes, and discover how the body works from the outside!

Hay muchos colores en el mundo: el marrón de la tierra, el verde de la hierba, el azul del cielo y el amarillo, el color favorito de Dani... pero, ¿existe algo en el mundo que tenga todos los colores?

A lift-the-flap book showing milestones in a baby's development during pregnancy and the mother's experiences as it grows.