Te queremos, Mauro! / We love you, Hugless Douglas!

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.

Dani y Evan quieren ganar la Walanga. Deberán ser los mejores en las pruebas de escalada, resistencia y valentía. ¡La competición está muy reñida! Pero hay alguien que tiene otros planes: expulsarles del Santuario. ¿Podrán Dani y Evan escapar de sus trampas? ¿Ganarán la Walanga? No esperes ni un minuto más para descubrirlo... ¡empieza la aventura!

¡La Tierra es bastante increíble! Es el único planeta en nuestro sistema solar en el que los humanos podemos vivir. Desarrolle habilidades de no ficción y aprenda todo sobre nuestro planeta de origen con el vibrante glosario fotográfico de este libro y el texto en español apropiado para su edad. Earth is pretty incredible! It's the only planet in our solar system humans can live on. Build nonfiction skills and learn all about our home planet with this book's vibrant photo glossary and age-appropriate Spanish text.

Many insects hatch from eggs and molt several times as they grow bigger. Others, such as butterflies, undergo a complete metamorphosis. A common science curriculum topic, insect life cycles may be confusing because of these differences. However, this book breaks down these cycles into easy-to-understand steps in both accessible language and colorful diagrams readers can turn to for review again and again. The most important vocabulary needed to talk about insect life cycles is further explained in fact boxes and an extended glossary.