Por qué covid asusta al mundo & Covid está aquí, ¿Y ahora qué?

¿Y si un día encuentras un manuscrito misterioso oculto en un viejo libro? ¿Y si leyéndolo descubres que existe un pasadizo secreto que te permite viajar en el tiempo? Sí, sí, viajar en el tiempo. Solo tienes que seguir leyendo. Página a página, la Historia se irá abriendo ante ti y podrás oír, oler, ver, sentir, vivir, algunos de los momentos más decisivos y emocionantes de nuestro pasado. Viajarás en una galera romana. A lomos de un corcel árabe visitarás la fabulosa Córdoba de los emires y califas. Derribarás murallas, defenderás castillos, levantarás catedrales....

The unsinkable luxury liner known as the Titanic may have sunk on its first transatlantic voyage in 1912, but people remain riveted to its storied legend. The collision with the iceberg in the North Atlantic was not the only mistake that was made that day. In this spellbinding volume, readers will learn about the passengers and crew aboard the doomed ship and what really happened that tragic night. Historical photographs will transport them back to the glamorous era, while the narrative paints an absorbing picture of the Titanic's sad fate.

"Swing" into place value as you learn about the fascinating spider monkey! This Spanish math book combines math and reading skills and uses real-life examples of problem solving to teach subject-area content. The dynamic images, detailed sidebars, practice problems, and math diagrams make learning place value easy and fun. Text features include a table of contents, a glossary, an index, and captions to build vocabulary and increase understanding of math and reading concepts. An in-depth problem-solving section provides additional learning and practice opportunities. Engage students with this...

Come find out what professional Crime Scene investigators do to solve a crime in this Spanish-translated nonfiction book! With detailed images and fascinating facts, readers learn about forensic science, criminal investigative evidence, and crime scene searches. This book includes an interview with a real-life CSI and a glossary, index, and list of useful sources.