Perfeccionista?

This books uses clear, easy to understand language to answer complex questions about sex and relationships, and covers all manner of tricky subjects from puberty to consent with delicate accuracy and honesty.

Asteroids and comets shoot straight through space. They just look like bright lights with tails, but there is much more to these fascinating objects! Learn all about asteroids and comets in this Spanish-translated book.

What is work? You may think work is doing chores or going to a job, but you do work every time you move something from one place to another. With experiments that demonstrate these fundamental concepts, discover how you work, and how simple machines make doing work easier.

En el año 1630, la caza de brujas siembra el pánico en toda Europa. Mujeres y hasta familias enteras son víctimas de la inquisición. En un pueblo de Alemania comienzan a surgir rumores acerca de Nina y sus visiones premonitorias. Al ser las amenazas cada vez más siniestras, Nina abandona la casa de sus tíos portando el amuleto de su madre, a la que quemaron por bruja tiempo atrás. Ese amuleto la orientará en todo su camino.