La gran enciclopedia de los dinosaurios y reptiles prehistóricos

La religión ha acompañado la evolución del hombre desde las etapas más remotas de la Prehistoria. Sin embargo, existen grandes diferencias de concepción y de ritual entre unas y otras (religiones teístas y ateas, individuales y colectivas, oscurantistas y lógicas). Algunas son patrimonio de un pueblo o de una etnia. La religión ha utilizado el poder político y éste, a su vez, se ha valido de ella. En este primer volumen se analiza el origen y el desarrollo de las grandes religiones desde los orígenes del hombre hasta el fin del imperio romano, en el contexto de la evolución...

“Dino” Don Lessem brings readers face-to-face with various dinosaur species, detailing their habitats, way of life and how they became extinct. An acclaimed dinosaur expert, Don Lessem has written more than 30 children’s books, writes a popular dinosaur column in Highlights magazine, and was an adviser for Jurassic Park. Take a trip through dinosaur time to meet these duck-billed dinosaurs face-to-face: Corythosaurus could honk through the top of its head! Gryposaurus had hundreds of grinding teeth! Parasaurolophus could smack enemies with its strong tail! Plus, you'll get to know...

Based on the premise that all young people should learn to make decisions, respect themselves, and resolve challenging problems, this book is a self-help guide for adolescents to develop positive thinking, high self-esteem, and personal power. Exercises guide readers through learning about their own feelings, dreams, and needs while stressing that they are responsible for their own behavior and happiness. Situational anecdotes used to enhance the discussion are age-appropriate and relevant to children. Writing and keeping a journal are encouraged, and group exercises make the book useful in...

El libro del pan (The Bread Book) helps Spanish readers strengthen their multiplication, division, and fractions skills while learning interesting facts about bread. Students will learn about wheat grain, nutrition, and bakeries with this nonfiction math reader. This classroom resource includes a glossary, engaging images, mathematical diagrams, and a fun historic timeline of bread to help students develop their math and reading skills.