Calendario Maya : el gran ciclo de la Cuenta Larga

Escasas son las noticias que nos han llegado acerca de Apolonio de Rodas, poeta griego de la epoca alejandrina. Sabemos de el que nacio hacia el ano 300 a.C. en Alejandria, donde fue director de la famosa biblioteca y preceptor del heredero del trono. En Las argonauticas, poema epico en cuatro cantos, relata Apolonio las aventuras de Jason y los argonautas en busca del vellocino de oro, una de las fabulas mitologicas mas conocidas de la Antiguedad.

Thomas Edison is considered by many to be one of the greatest inventors of all time. His creations changed the world, but there was more to his life than just his inventions. Readers of this engaging volume will learn all about the man behind the innovations. This fascinating biography introduces important subjects and encourages a further interest in history. Concise and accessible text paired with vibrant photographs is sure to captivate audiences of many ages and levels.

In My Friend Has Autism, beginning readers are introduced to different characters who have autism, how autism may affect their actions, and how we can be good friends to people who have autism. Vibrant, full-color photos and carefully leveled text engage young readers as they discover how to empathetic and inlude all kinds of friends.

Young detectives will learn data analysis and probability while they are engaged in reading about crime scene investigations. Used in the classroom or at home, this nonfiction Spanish text includes mathematical charts to help students practice calculations and become more confident in their data analysis skills. With a glossary, an index, dynamic images, age-appropriate content, and easy-to-read text, students will build their math and reading skills while they are engaged in reading high-interest topics.