Matemáticas en el cinturón de asteroides (Math in the Asteroid Belt)

Mars is perhaps the most thrilling planet these days. With rovers exploring its surface and manned missions in the works, people are wondering if Mars is our next home! In this highinterest book, readers will learn more about Earth's neighbor, including what its climate and surface are like, why it's called the Red Planet, and about the recent discovery of water on its surface. They'll learn all this while solving "Your Mission" math problems that complement and support the text. This motivating volume is an engaging way to explore key aspects of science and math curricula.

Most of the Earth's changes happen over millions of years, but earthquakes can force significant changes to the land in just a few moments. Readers will learn the science of plate tectonics and its role in the development of earthquakes around the globe. They will also learn that not all rocks are created equal. In fact, rocks are all different ages! This Spanish-translated book concludes with images of the damage and destruction that earthquakes can cause.

William Ellsworth Hoy amaba el beisbol sobre todo lo demás. Cuando le dijeron que era muy pequeño para el equipo de su escuela, no dejó que nada lo detuviera, ¡ practicó hasta ser lo suficientemente bueno como para jugar en las grandes ligas! Ser sordo en las grandes ligas no fue fácil, ya que poca gente usaba el lenguaje de señas en la década de 1880. A William se le dificultaba leer los labios en el campo de juego y algunos jugadores lo intentaban confundir. Pero tampoco dejó que eso lo detuviera. ¡William les enseñó a los ampáyeres a hacer señas de mano para que pudiera ver...

Anyone who has ever gotten drenched in a rainstorm knows what it is to be dry, but learning to identify objects as dry can be tricky for the youngest learners. This beneficial book teaches readers how to classify familiar objects as wet or dry with short, achievable sentences carefully constructed for vocabulary acquisition. The accessible narrative is accompanied by bright, interesting photographs of the objects.

This simple book guides toddlers to choose words that are helpful instead of hurtful and to say “I’m sorry” when hurtful words come out before kids can stop them. Includes tips for parents and caregivers.