España, ayer y hoy + CD-ROM

Bárbara Molina es desaparecida misteriosa y violentamente cuando tiene quince años. Es un enigma que, después de cuatro años sin resolverse, va a verse sacudido por nuevas claves. "Una historia de mentiras, secretos, engaños y falsas apariencias que pone el dedo en la llaga sobre mitos incuestionables. Un relato escalofriante que disecciona la hipocresía de la sociedad moderna. Una denuncia valiente de los abusos sexuales infantiles, sus devastadoras consecuencias y su invisibilidad en este mundo bienpensante nuestro."-- Back cover.

In this stimulating, Spanish-translated nonfiction book, readers will discover the various types of friction--including rolling friction, sliding friction, fluid friction, and static friction--and the huge impacts it has on nature, machines, and our lives. In addition, readers are encouraged to perform basic experiments to assist in the understanding of friction, kinetic energy, and water resistance. With real-life examples, colorful images, accommodating graphs and charts, and informational text, children will be inspired and engaged as they read through this book. This 6-Pack includes six...

Presenta los Marines de EE. UU. y presenta datos sobre sus reclutas y oficiales, incluidos, cuando lo viven y se entrenan.

Each year, Martin Luther King Jr. Day serves as a reminder of the life and work of one of America's greatest civil rights activists. In this informative book, readers will learn about the importance of the civil rights movement and why we celebrate Martin Luther King Jr. Day. Full-color photographs accompany the text. This essential book features accessible language that is ideal for children in the early stages of learning to read.