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Computer science is all around us, at school, at home, and in the community. Anyone can learn computer science, even at the elementary school level. This book delves into essential computer science concepts using age-appropriate language and colorful images. The computer science topic is paired with an age-appropriate curricular topic to deepen readers' learning experience. The instructional guide on the inside front and back covers provides: Vocabulary, Background knowledge, Text-dependent questions, Whole class activities, and Independent activities.

Gerardo is a janitor who decides he can save money by sleeping on a chair at the office. He eventually gets a promotion and decides to buy a bed that is big enough to erase the memory of the cramped chair. Yet he doesn't anticipate his fear of falling out of a real bed. Text copyright 2004 Lectorum Publications, Inc.

Come rain or come shine, we can always count on the postman getting our mail to us on time. That's how the saying goes, but what is a postman's day actually like? From organizing letters in the mailroom to delivering people's mail and parcels along his route, young readers experience a postman's day through colorful, exciting illustrations. The language in this book is ideal for very early readers as well as children still in the listening stage. Readers will love getting to know more about this familiar member of their community.

¡Los mitos nórdicos como nunca los habías visto! El mundo de Asgard está sufriendo un invierno extrañamente interminable. Hartos de que se les congelen los mocos, Thor, Loki y Freya deciden investigar qué misterio hay detrás de tanta nieve. Tras una patosa caída, descubren un libro antiguo que contiene las claves del Ragnarök, una aterradora profecía. ¿Podrán detener su terrible destino? O, lo que es más probable... ¿La liarán aún más?