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

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.

When rocks change because of environmental conditions, the new rocks are called metamorphic rocks. A rock's chemical or physical makeup may change because of conditions such as temperature, stress, or pressure. Your readers will learn fascinating facts including where metamorphic rocks are most commonly found, the different types of metamorphism, and how metamorphic rocks are identified. Full-color photographs depict these rocks in nature. A helpful graphic organizer shows how these fascinating rocks form.

Read Along or Enhanced eBook: Introduce readers to some of the most well-known criminals and tyrants of the past with this fascinating, Spanish-translated nonfiction book! Featuring intriguing facts and theories, colorful images, and informational text in conjunction with a glossary of terms, a bibliography, and a list of helpful websites with more information, readers will want to learn all they can about ancient history and the bad guys and gals from the past.

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!

Tres años después de sus andanzas en Quinteto de Buenos Aires, vuelve Carvalho. Y también vuelve Charo con la intención de orientar el futuro del detective. A pocos meses del final del milenio, Carvalho vive una historia de amor, sectas, espionaje y muerte. Convocado para seguir un curso de espía y reclamado por una extraña mujer que le envía faxes, primero enigmáticos, luego enamorados, Carvalho convive con la sospecha de que ha sido elegido para una finalidad que no puede controlar. Bajo el peso del eterno diseñador del mundo, el poder del dinero, el detective hace suya la ansiedad ...

Counseling: Teoría y práctica es el libro de texto mas vendido en Inglaterra para una gran variedad de cursos y masters de Counseling.. Cubre todos los principales enfoques teóricos de la psicoterapia del counseling, explora las habilidades clave necesarias para poner en práctica la teoría. Incluye las directrices marcados por la British Association for Counselling and Psychotherapy.