¿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.

Diamonds and salt are both minerals, but diamonds are more rare than salt. Curious readers will learn what physical and chemical conditions must be present for minerals to form. They'll discover how minerals are identified and how they are used in daily life. Informative and interesting text presents readers with this science content in a fun way. A graphic organizer shows how different minerals are identified and fact boxes provide readers with exciting supplementary information.

Climb aboard for a journey into the world of trains! In this fascinating, Spanish-translated nonfiction title, readers learn about the history of trains, the different uses for them, and the different types and parts including freight cars, box cars, passenger cars, and the caboose. With detailed photos, informative text, and intriguing facts, this book will have readers delighted from cover to cover!

Jennyes una mujer joven sin esperanzas y motivos para seguir con su vida. Después de un fracasado intento de suicidio, su abuela Gabby, superviviente de la guerra, una mujer fuerte y luchadora, cuida de ella con todo su amor y le enseña a valorar la vida.

The author/poet imagines all of the things a child can do, and then speculates on the many vocations the child has the option of choosing.

This biography details one of the most captivating couples in the world: Prince William and Princess Catherine "Kate" Middleton, Duke and Duchess of Cambridge. Features include compelling descriptions of their early lives, including the dramatic events of William's childhood. Readers will learn about their courtship, marriage, and family life. A timeline of significant moments supports the narrative. An overarching theme is why they deserve to be called a "power couple," with an emphasis on the couple's public service and philanthropic efforts. The volume provides an authoritative, concise...