La historia de las innovaciones victorianas: Fracciones equivalentes (The History of Victorian Innovations: Equivalent Fractions)

De manera imprevista, Willyrex y sTaXx se ven obligados a revelar su secreto a George del Toro, quien, tras superar el desconcierto inicial al escuchar la historia de los diminutos youtubers, terminará por reconocerlos y se comprometerá a ayudarñps a desenmascarar al culpable de su situación. Si en sus viajes anteriores visitaron Estados Unidos y México, nuestros amigos se trasladan ahora a la lejana Australia, el lugar que conducen todas las pistas y donde, si sus sospechas son ciertas, Willy y sTaXx confían en encontrar la clave que solucionará todo este embrollo en el que están...

It is the third Monday in January and school is closed. But do you know why? It's Martin Luther King Jr. Day. Turn the pages of this book to find out what dream Dr. King shared with the world, who Mohandas Gandhi was, how one brave woman helped Martin Luther King Jr. change history. Each book in the Holiday Histories series describes one of America's holidays or special days. Explore the history of each day and learn the real reason why it is important. Discover what special meaning each day might have for you.

What is my period exactly? Do I need to see a doctor? What does it feel like to wear a pad? What if I get my period at school? Karen Gravelle and her fifteen-year-old niece, Jennifer Gravelle, have written a down-to-earth and practical book that answers any questions you might have about your period, from what it is and what it feels like, to how to choose pads and tampons, to how to talk to your parents about it. The Period Book will help guide you through all the physical, emotional, and social changes that come with your period, as well as related issues like dealing with pimples, mood...

Para salvar a su madre, Gou Haoyou se ve obligado a desobedecer a sus mayores y se convierte en jinete de papalotes. Como estrella del Circo Jade emprende un viaje que lo llevar hasta el coraz n mismo de la China del siglo XIII: la corte del gran Kan.