Trilobites

Atractivo álbum de divulgación científica dirigido a niños y niñas de entre 6 y 9 años que destaca por la calidad de sus ilustraciones y la accesibilidad de la información. Un viaje al pasado remoto de la Tierra. Quizá los trilobites no sean tan espectaculares como los grandes dinosaurios. Sin embargo, estos pequeños seres prehistóricos -los cuales vivieron durante el periodo Cámbrico, es decir hace 542 millones de años-, tienen mucho que decirnos sobre el pasado remoto de la Tierra y sobre los seres vivos en general. Su fascinante anatomía, por ejemplo, guarda curiosas...

Young children are natural problem-solvers and always looking for answers, especially when it involves interesting animals. This Spanish-language edition of Scaly Swimmers provides young curious readers with striking visual clues and simply written hints. Using the photos and text, readers rely on visual literacy skills, reading, and reasoning as they solve the animal mystery. Clearly written facts give readers a deeper understanding of how the animal lives. Additional text features, including a glossary and an index, help students locate information and learn new words.

Presents general information about Christmas, including the origins of the holiday and other fall and winter holidays and their traditions, provides instructions for seasonal craft projects, and describes celebrations in different lands.

Caja que contiene 16 pequeños libros en los que se cuentan las cosas que le gusta hacer a un niño: pasear con el perro, salir de merienda, tener peces, mirar por la ventana, etc. En cada libro el niño descubrirá una sensación táctil diferente.

Who were the earliest Americans? When, how, and from where did they enter and spread across the continent? And what is their relationship to modern Native Americans? Anthropologists develop theories to answer these questions based on the evidence they discover. Their theories—and the discoveries that prove and disprove them—are highlighted in this fascinating volume, full of awe-inspiring facts and incredible breakthroughs. Readers will feel like anthropologists and archaeologists themselves as they read about bones and artifacts, and what they reveal about the ancient cultures that roamed...