22 misterios de la historia

Algorithms might sound like a complicated tech term, but don't be intimidated, people actually use them every day. Using accessible language and full-color photographs, this book simplifies algorithms in an easy-to-understand way. Readers will be amazed to learn that an algorithm is just a set of steps for computers to follow to get things done. STEM topics from the Next Generation Science Standards are emphasized throughout the text. Sidebars featuring key terms help readers grow their tech vocabulary, and fact boxes provide additional opportunities to learn.

This complete Spanish translation of the highly acclaimed Isaac Asimov's 21st Century Library of the Universe is ideal for students still developing their English-language skills.

What better way to portray bioluminescent creatures of the sea, earth, and sky than in a glow-in-the-dark book? Scientific researcher María Emilia Beyer reveals the truth about these animals that produce their own light using special substances, as well as how they use this ability to search for food, defend themselves from prey, communicate, and find a mate. Readers will find eight species of bioluminescent plants and animals and can turn out the lights to see them in all their splendor--and read special hidden text!

LA ALIANZA DE TANIS es el primero de una saga de tres libros. El segundo se llamará EL SIMPLE BESO DE UN ÁNGEL, que continúa la historia ocho años después del primero. La lucha entre LOS REMENDORES y el Cardenal se pone en su punto más álgido. El tercer libro, JESÚS Y NEXUS, transcurre veintidós años después a partir del segundo libro . El mundo que conocemos ha cambiado y los niños, ahora adultos, se enfrentan a una sucesión de problemas que amenazarán sus vidas. Con este último se dará fin a esta trilogía.