Tras las huellas del ADN

California is home to the largest school system in the country. Students will learn about the history of California’s schools and higher education system with this nonfiction text that builds students’ reading skills and social studies content knowledge. The intriguing primary source maps, letters, documents, and images provide authentic nonfiction reading materials and keep students interested in learning. Text features include a glossary, index, captions, sidebars, and table of contents. This book connects to California state studies standards and the NCSS/C3 Framework and features...

Spanish Language Edition A Special Bible for the Pre-reading Years THE PRESCHOOLERS BIBLE - Builds a delight in Bible learning for 3s through 5s - All the important values will come to focus in this simple Bible - Builds your child's life and character through Bible truth - The next step up from The Toddlers Bible. Don't miss it! Has your child delighted in The Toddler's Bible? Now is the time to make the next step. Move up to The Preschoolers Bible, for 3s through 5s. This is a delight to read, rich with character-building values for that vital pre-reading age.-V. Gilbert Beers

Desde los albores de la aviación, a fines del siglo diecinueve, de inmediato resultó evidente que los aviones llegarían a convertirse en armas de enorme poder ofensivo. La confirmación llegó con la Primera y Segunda Guerra Mundiales, cuando el despliegue del arma aérea resultó decisivo en todas las operaciones. Con el tiempo, utilizando tecnologías cada vez más avanzadas, los aviones de guerra, también conocidos como aviones caza, han llegado a convertirse en elementos fundamentales del ataque y la defensa en cualquier conflicto bélico. Este interesante y entretenido libro...

What would happen if the Moon disappeared? We would try every possible way to get it back. As in everyday life, this book shows us that the answers to our problems are sometimes so close we just can't see them.