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

Después de explorar algunos misterios y asesinatos en Tras la pista invisible , Paulettee, la reina del misterio de YouTube, reúne en su segundo libro los mejores casos de encuentros sobrenaturales que han sido registrados en el mundo. ¿Qué tiene de especial Betty Andreasson para haber sido abducida tres veces? ¿Por qué se cree que la muerte de unos excursionistas rusos fue a garras del abominable hombre de las nieves? ¿Qué pasaría si una muñeca estuviera poseída por el espíritu de tu hermana menor? ¿Qué sucede con todos los vuelos que se pierden en el Triángulo de las...

In order for any democracy to function well, understanding how and when to compromise is a necessity. This book introduces students to how compromise makes governing possible. Using examples of how compromise works in their own lives, students will gain a better understanding of how compromise work on a larger level. Conversely, readers will also learn that compromise may be the wrong course of action in some situations and that some issues are of such critical importance or high moral worth that standing firm is appropriate.

The world's myths are filled with characters, creatures, and stories that have fascinated people for thousands of years. This series mixes dramatic retellings and non-fiction information to give a full picture of a culture's myths. This book explores the gods, goddesses, heroes, villains, tricksters, and quests that make Roman myths and legends so compelling. Fully translated Spanish text.

Explains what mathematics is and how it feels to do math, and shows some basic mathematical concepts such as sorting and measuring.