Agujeros negros (Black Holes)

For many years, people believed there were nine planets that orbited the sun. Now we say there are eight. What happened to the ninth planet, Pluto? What are the different planets like? What exactly makes a planet a planet? These are the many intriguing questions answered with this high-interest book, crafted to be accessible for readers of all levels. Young astronomers will be especially fascinated by the stunning photographs and the "Make the Grade" fact boxes.

Susana y Alfredo son hermanos mellizos y cada uno, por su cuenta, quiere formar una pandilla con sus amigos del colegio. Una de chicas, una de chicos... Ambas pandillas se pondrán pruebas para ver quién hace las cosas mejor. ¿Hasta qué punto la unión es más importante que el orgullo? Una novela que demuestra que es mejor olvidar los prejuicios.

Thank you for caring. –Billie Eilish La legendaria Billie Eilish nos comparte una ventana muy personal de su vida –dentro y fuera del escenario– en este asombroso libro de fotografías. Cada una de las fotos ha sido cuidadosamente seleccionada y acomodada por la propia Billie, capturando sus más significativos momentos. Complementado con una introducción y pies de foto, Billie nos comparte sus pensamientos sobre esta salvaje travesía en la que está hasta ahora.

In Ocanos, carefully leveled text and vibrant, full-color photographs take beginning readers on a tour of the ocean. Readers learn about this important ecosystem and the variety of living things adapted to live there.

An expertly written Spanish B course now updated for first examination 2020, providing students with thought-provoking materials to help them develop strong language skills and solid critical thinking. The coursebook helps students develop their Spanish language skills as they explore the five themes from the new IB Diploma Language B guide: identities, experiences, human ingenuity, social organisation and sharing the planet. Each unit begins with 'big questions' that get learners thinking about global topics such as, 'how do we express our identity?' These help students appreciate wider...