Yo, tú y el mar

"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 sea giants face-to-face: The Archelon was similar to a turtle, but its shell was made of crossed rib bone covered in rubbery skin! The Mososaurs had huge pointy jaws and grew to be fifty feet long! The Ichthyosaurs looked a lot...

Learn how light pollution prevents us from seeing the stars and causes other problems as well. This Spanish book features a hands-on STEAM challenge that gives insight into how the engineering design process is used to solve real-world problems.

En este cuaderno aprenderás la ortografía de numerosas palabras que se escriben con v y h, y te ejercitarás en la ortografía de diversas sílabas trabadas y libres. También se estudian algunas reglas fundamentales del uso de las mayúsculas: en principio de escrito y después de punto.

Rhyming verse describes the good food, decorations, and stories when grandmother arrives for the annual celebration of the Mexican holiday, Day of the Dead.