A la vanguardia: Adelantos en tecnología (The Cutting Edge: Breakthroughs in Technology) 6-Pack

Devyn Kell siempre había sido un fiel servidor de la Liga. Pero cuando descubrió que sus traiciones le estaban costando la vida a gente inocente, se negó a aceptar ese sistema corrupto. Alix Gerran pretende huir de un pasado que podría costarle la vida. Cuando comenzó a trabajar para Devyn, encontró una causa por la que luchar. Pero sus fantasmas la acosan y los viejos enemigos de Devyn se han vuelto letales... Ante esta situación, ambos deberán decidir si quieren luchar juntos o morir en soledad.

What would happen if a polar bear and a grizzly bear met each other? What if they had a fight? Who do you think would win? Este lector de no-ficción compara y contrasta dos feroces especies de osos. Los pequeños aprenderán sobre la anatomía, el comportamiento y más de ambos osos. Este libro está lleno de fotos, gráficos, ilustraciones y datos increíbles.This nonfiction reader compares and contrasts two ferocious bear species. Kids learn about the bears' anatomies, behaviors, and more. This book is packed with photos, charts, illustrations, and amazing facts.

After several military accomplishments, Mirabeau B. Lamar entered the world of Texas politics. Elected president in 1838, Lamar faced a host of problems with mixed success. His advocacy for education laid the framework for public education in Texas.

Students will develop their math skills while engaged in reading about Yosemite National Park. This book seamlessly integrates the teaching of math and reading, and uses real-world examples to teach geometry concepts like calculating perimeter and area. 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...