El final de todos los agostos

Quinto título de la colección "Enigmas". ¡Nuevos enigmas para resolver! Pon a prueba tu capacidad para resolver misterios, esta vez con 25 enigmas de la ciencia. Cada enigma responde a una teoría o principio científico. Resuelve los misterios y conviértete en un verdadero científico. ¡Juega, experimenta y aprende!

Over the years, people have looked for ways to improve our imperfect sight. This has led us to the world of optics, which is the study of light and how it travels. What are some of these innovations that have changed how we see the world, and how do they work? Find the answers to these questions with this Smithsonian Informational Text! Created in collaboration with the Smithsonian Institution, this text builds students' reading skills while engaging their curiosity about STEAM topics through real-world examples. It features a hands-on STEAM challenge that guides students through every step...

The pursuit and apprehension of art thieves in this activity book introduces young readers to the greatest artists and paintings of the 20th century. A hungry, art-devouring gang of mice is ruining the collection of paintings at the Museum of Contemporary Art—and they must be captured. Having only small shreds of paintings that he has found scattered through the galleries, the director enlists the readers to help him identify the ruined works and track down the culprits. La búsqueda y la aprensión de criminales de arte introducen a jóvenes lectores a los grandes artistas y pinturas del...

A bilingual dictionary offers translations of more than twenty thousand words, examples of different uses in context, cultural information, warnings of false cognates, and explanations of the rules of Spanish grammar and common difficulties.