Cuando Lázaro anduvo

En 1943 el químico suizo Albert Hoffman sintetizaba por accidente la dietilamida de ácido lisérgico, el LSD. Su vuelta a casa montado en una bici por las calles de Basilea fue el primer viaje de la historia. - Casi tres décadas después, los americanos pisaban la luna, el general Franco nombraba príncipe de España a Juan Carlos de Borbón, y Los Beatles componían Lucy in the Sky with Diamonds, todo un homenaje a la alucinación psicodélica. - Esta novela real y misteriosa es un flashback desde la madurez hacia la adolescencia, un trip desde el pasado hacia el futuro, un viaje desde la ...

Readers may never expect that they might free fall to Earth, but if they have ever dived into a pool, that's exactly what they've done. This book shows readers how Newton's three laws of motion affect divers, skydivers, and mountain climbers' movements. Readers discover who uses gravity, and who works against it, and all other forces that contribute to a successful dive or climb. After reading this book, readers can decide if they will ever be interested in engaging in one of these extreme sports.

What does the phrase "once in a blue moon" refer to? What is the difference between a waning gibbous moon and a waning crescent moon? What is the atmosphere on the Moon like? How does the Moon create tides? Students will learn the answers to these questions and more as they read all about the Moon! This nonfiction Spanish book introduces students to important scientific concepts and vocabulary as they are engaged in reading. The colorful images, diagrams, sidebars, and text features will keep students connected to the text. Aligned to state and national standards, the fun lab activity...

Presents a line-by-line explanation of the entire United States Constitution, in English and Spanish. Provides a Spanish translation of the Constitution, historical context and student exercises that approximate the decisions made by the Constitution's authors. Written at the fifth grade level.

Provides an overview of the design, uses, weapons, and equipment of U.S. Air Force bombers. Written in English and Spanish.