Arthur Conan Doyle

¿Qué es un virus? ¿Cuántos hay a nuestro alrededor? ¿Dónde viven estos microorganismos invisibles al ojo humano? Las respuestas, adaptadas a lectores de todas las edades. Después de las pupas y los mocos, es el turno de los virus, el tercer título de la exitosa colección " La vida secreta de...". Las ilustraciones son también de Mariona Tolosa Sisteré. Una herramienta para familiarizar a los más pequeños con los virus, saber cómo protegerse de estos y descubrir que la mayoría son inofensivos. Contenidos rigurosos y muy accesibles, escritos por el colectivo de mujeres...

Learn the history of number systems with this engaging Spanish book! This text combines mathematics and literacy skills, and uses practical, real-world examples of problem solving to teach math and language arts content. Students will learn place value while reading about the number systems of the Egyptians and Romans, and also learn important vocabulary terms like cuneiform, binary systems, roman numerals, and more! The full-color images, math charts, and practice problems make learning math easy and fun. The table of contents, glossary, and index will further understanding of math and...

Que Hay is the market-leading Spanish course for 11-14 year olds across the Caribbean. Newly updated, it is as relevant and lively as ever. This comprehensive course follows an immersive approach that encourages students to enjoy and full engage with the languages and culture, providing a solid foundation in everyday Spanish and ideal preparation for studying Spanish at CSEC.

Takes the reader on an imaginary trip through California while offering information about the history and geography of the major cities and towns.