Soy retro porque...

Desde la más remota antigüedad las personas han sentido fascinación por la luna, el astro más cercano a nuestro planeta. Los babilonios y los aztecas, por ejemplo, confeccionaron calendarios muy precisos basándose en las observaciones de la luna. Nuestro satélite natural en el momento en que se encuentra más cerca de la tierra está a 365.000 kilómetros de distancia. El estudio de la luna tuvo un gran impulso cuando el gran científico italiano Galileo Galilei inventó el telescopio en 1610 y con ayuda de este instrumento pudo realizar interesantes observaciones que le permitieron...

This truly is a strange book. For starters, it talks to the reader. What's more, there are no colors until someone gives it color. Who is going to do this? The reader of course. What better way to do this besides with your fingers and hands? Full of tracing and marks, this story is far from a coloring book.

An award-winning first glimpse into the diverse natural world of mammals. This addition to the acclaimed About... series explains to children in simple, easy-to-understand language what mammals are, what they eat, and where they live. Beautifully detailed, realistic paintings by wildlife illustrator John Sill introduce readers to the huge variety of mammals, from the tiny white-footed deermouse to the large American bison. An afterword provides more details about the animals featured in the book. Parents and pre-school and primary-grade teachers will find this an attractive choice for...

Featuring TIME For Kids content, this Spanish resource, Empujar y jalar (Pushes and Pulls), aligns with NGSS standards to teach young learners about forces and interactions. The engaging photos encourage students to describe what is happening using their own words. This full-color, wordless picture book can be used in the classroom or at home to teach children the difference between pushing and pulling.