The Math Teacher

¡Embárcate en una aventura extraordinaria con Roblox! No importa si eres un novato o un experto robloxiano: esta guía es la compañera perfecta para triunfar en todas tus expediciones, tanto si tienes que escapar de una prisión de alta seguridad como evitar una fusión nuclear o luchar contra temibles bestias. Aquí encontrarás todo tipo de información, consejos y trucos, y hasta entrevistas con los creadores de los juegos.

As they say, necessity is the mother of invention, and this book introduces readers to 14 women who invented very useful, helpful items. They include Chicago native Margaret Wilcox who invented the car heater, Indiana native Marion O'Brien Donovan who invented disposable diapers, Pennsylvania native Stephanie Kwolek who invented Kevlar, and Austria-born actress Hedy Lamar whose secret communications systems led to the creation of WiFi, Bluetooth, and GPS.

Jimmy is a sweet little bunny, who doesn't like to brush his teeth, but with a little magic and a few surprises, Jimmy learns just how important tooth brushing is and how much fun it can be. Jimmy el pequeño conejito no le gusta lavarse sus dientes, pero con un poquito de magia y unas cuantas sorpresas, Jimmy aprende cuánto es de importante lavarse los dientes y cuánto divertido puede ser.

A detailed, full-color Spanish-language atlas teaches children about different regions of the world and includes games, activities, and fun characters to make learning geography stimulating. Original.