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Ricardete was an only child, so the birth of his baby sister brings changes that make him feel sad. Soon, however, he realizes that he is still loved, and discovers reasons to feel even happier than he was before the baby's arrival.

Una nueva aventura de Lila. ¡Hola! ¡Soy Lila! Mis papás están hoy un poco raros... ¡me dejan hacer de todo! ¡Qué estará pasando? Ahora me han dicho que voy a tener un hermanito: ¡René! ¡Pero si la tripa de mamá no ha crecido! ¿Cómo puede ser? Papá dice que ha crecido en otra tripita, muy, muuuy lejos de aquí. Todo el mundo dice que es un niño precioso, pero a mí no me gusta porque me coge los juguetes y parece que me haya vuelto invisible. ¿Por qé nadie me hace caso? ¿Nadie? René hoy ha dicho su primera palabra y... ¿sabes cuál ha sido?

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.

Identical twins Lizzie and Jessica think that hte Mercandy house is haunted and that Nora Mercandy is a witch until Lizzie solves the mystery.