Cynthia Ann Parker

A researcher looks at cells under a microscope. A scientist studies bacteria in a Petri dish. A student boils liquid in a test tube. What do these things all have in common? The answer is: glass! Learn how something as simple as glass has played a huge role in scientific exploration with this fascinating Spanish Informational Text created in collaboration with the Smithsonian Institution! Build reading skills while engaging students' curiosity about STEAM topics through real-world examples. Packed with factoids and informative sidebars, this Spanish book features a hands-on STEAM challenge...

Introduces the concepts of short and tall, comparing some of the world's shortest and tallest animals.

Animals do not brush their teeth, but they still have ways to keep their teeth clean. Read to find out how. Paired to the fiction title Going to the Zoo.

Después de La villa de las telas llega la segunda parte de esta saga romántica histórica para fans de Downton Abbey, María Dueñas, Kate Morton o Lucinda Riley, que ha cautivado a más de un millón y medio de lectoras. Una poderosa familia. Una guerra terrible.Una mansión que esconde más de un secreto... El destino de una familia en tiempos convulsos y un amor que todo lo vence. Augsburgo, 1916. La mansión de la familia Melzer pasa a ser, por necesidad, un hospital militar. Las hijas de la casa, ayudadas por el servicio, se convierten en enfermeras que curan, cuidan y escuchan a los...