¿Cómo se cultivan los alimentos?

Este libro interactivo desvela cómo se suceden el día y la noche en la Tierra. Todas las curiosidades de este proceso son analizadas en este libro que contiene ruedas que giran, ventanas que se abren y solapas que se despliegan.

There are many steps in the nitrogen cycle that include difficult concepts and words: denitrification, prokaryotes, ammonia, and more. With the help of this understandable book, even struggling readers will grasp this cycle of nature. Low-level language, fact boxes, and an extended glossary provide readers with essential vocabulary explanations that allow them to further understand each step of the cycle. Full-color diagrams aid readers' comprehension as they move through the cycle from start to finish, and then around again.

Emergency vehicles are there when people need help. Sometimes we need help when we are sick or there is a fire, or even when our car is not working. Let's explore the different vehicles that come to help! The Mi Mundo (My World) series is perfect for young learners in prekindergarten through grade 2. These 16-page books give readers an accessible introduction to nonfiction reading. Color photographs and fun, factual examples will grab the attention of young readers and help strengthen reading comprehension skills.

El desierto con sus atardeceres multicolores es el escenario de la historia de Johari, un niño huérfano que vivía en Kalahari, el lugar más triste del mundo. Cerca de cumplir los doce años, un comerciante de telas llamado Nala decidió adoptarlo. A pesar de su buena fortuna, la vida no fue lo que él esperaba, entonces Johari empezó a lamentar su suerte. Un día, con motivo del cumpleaños del emperador, su padre le pidió que hiciera un viaje por el vasto desierto para llevar seis rollos de seda hasta la ciudad imperial. Al inicio de la travesía se encontró con un pozo en el que...

How do countries work together? Running a country requires hard work. There is a lot involved. That includes making laws that help people do the right thing. When leaders work together, their countries benefit. This Spanish book introduces 2nd grade students to the concepts of diplomacy, government, and foreign relations. Detailed images in conjunction with easy-to-read text and basic text features provide readers with an inviting reading and learning experience as they build social studies knowledge.