El desierto del amor

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.

Read Along or Enhanced eBook: Did you know that most animals in the world don't have backbones? Learn more about invertebrates in this engaging, Spanish-translated nonfiction book. Readers will learn all about mollusks, arthropods, arachnids, and crustaceans while being stimulated from cover to cover with its detailed images and charts, intriguing facts, and informative text.

Students will learn about the history of hot air balloons and they will also discover the importance of volume when calculating hot air balloon flight. Used in the classroom or at home, this nonfiction Spanish text includes mathematical charts to help students practice calculations. With a glossary, an index, dynamic images, and easy-to-read text, students will build their math and reading skills while they are engaged in reading high-interest content.

Answers such questions as "Qué son los perros?, Qué come mi perro?, Qué mas necesita mi perro?, Qué puedo hacer por mi perro?, Qué puede hacer mi perro?"