Un polizón en la maleta

Uncovers the secret codes that different animal species use to relate to each other, revealing that communication among certain animals is not different from human communication.

Students will develop their geometry skills as they study the shapes and patterns in Native American art. This book seamlessly integrates the teaching of math and reading, and uses real-world examples to teach geometry concepts. Text features include a glossary, an index, captions, and a table of contents to increase students’ vocabulary and reading comprehension skills as they interact with the text. The rigorous practice problems, math charts and diagrams, and sidebars provide many opportunities for students to practice their developing math skills, and apply what they’ve learned to their ...

This book introduces you to giraffes, including their size, diet and everyday behavior, which highlights differences between those in the wild and those living in a zoo habitat.

Una verdadera clase de paleontología para niños (y para mayores). Asesorada por verdaderos doctos en la materia, Aliki nos adentra en el fabuloso mundo de estos gigantescos animales prehistóricos, haciéndonos ver las diferencias entre varias especies, y l