Experimentos sencillos con sólidos y líquidos

Engineers have built some incredible things. But with every new feat, there is failure. Readers will learn about engineering feats like the Titanic, the Hindenburg, the Hoover Dam, and more in this engaging nonfiction title that has been translated into Spanish. This title features brilliant images, charts, and intriguing facts in conjunction with informational text and mathematic skills to keep readers active and engaged.

La inexplicable desaparición del gentleman Atticus Craftsman en el corazón de las tinieblas de la España profunda parece estar relacionada con las malas artes de cinco mujeres desesperadas, las empleadas de la revista Librarte, capaces de cualquier cosa con tal de conservar su trabajo.

Citizens of the United States have the freedom to choose who they vote for. Voters can choose from a number of candidates. Most people belong to a political party and they often choose to vote for the candidate belonging to their political party. However, sometimes people choose to vote for a person regardless of their political affiliation. This book explores how people choose a candidate to vote for and why that choice matters. Relevant images aid readers in making textual connections.

Think about your favorite computer program or smartphone app. Do you know how it was made? In this book, readers will learn about the work that goes into creating the software we use every day. Exciting fact boxes and sidebars add depth to the text with additional information about the software design process. Readers will gain an understanding of the various steps of the software development life cycle. They'll also be introduced to famous software architects and STEM concepts from the Next Generation Science Standards throughout the text.