Obedecer las reglas

Summarizes how water changes from a solid to a liquid and back again, and introduces related facts such as that water freezes at thirty-two degrees Fahrenheit and that ice floats.

¿Qué significa migrar? Descubra qué animales migran y por qué migran a través de fotografías detalladas y texto simple. What does it mean to migrate? Discover which animals migrate and why they migrate through detailed photographs and simple text.

Malala Yousafzai is the youngest person ever considered for the Nobel Peace Prize. She stood up to the Taliban and nearly paid with her life. She shares her amazing story in her own words and proves that one person, no matter her age, can change the world.

A bilingual vocabulary book features hundreds of vocabulary words arranged by themes, with labeled objects and actions common to the experiences of young children. Simultaneous.

Como estudiante en la prestigiosa escuela Bradley, Ani FaNelli no paso la mejor de las adolescencias. Ahora, con un trabajo glamuroso, un armario caro y un apuesto novio, esta muy cerca de vivir la vida perfecta y frivola por la que ha estado trabajando tan duro. Pero Ani tiene un secreto. Hay algo en su pasado que todavia la persigue: algo privado, oculto, secreto y doloroso que amenaza con destruirlo todo. Con una voz y un estilo tan singular como lleno de giros dramaticos, La chica que lo tenia todo explora la presion insoportable bajo la que viven muchas mujeres, aquellas que se ven...

Dragonflies are large flying insects known for their brightly colored bodies and see-through wings. They are among the fastest insects in the world. Learn more about these amazing animals in Dragonflies, a Fascinating Insects book.