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On some days, seven-year old Julie feels like she's living in a Fun House. Hers is a topsy-turvy world where the toaster sprouts a toothbrush, and a watermelon gets dressed up in pink underpants for Fourth of July! But on other days, Julie struggles with understanding why her Halloween trick-or-treating got cancelled, or why Grandma can't remember her name. Julie is struggling with understanding her grandmother's Alzheimer's disease. Authors Max Wallack and Carolyn Given believe that no child is too young to learn about this disease, or how to participate in providing safe care for their...

Busca la respuesta a todas tus preguntas sobre animales salvajes y el hábitat en el que viven, levantando las solapas y ventanas de este entretenido libro con forma redonda e ilustraciones a todo color.

La cultura medieval islámica ha dado figuras espléndidas. Omar Jayyam, poeta y filósofo, algebrista y astrónomo, es sin duda la más fascinante de todas. Su pensamiento fue heterodoxo, su saber inmenso, su obra variadísima. De lo que nos ha llegado de su poesía no siempre es fácil distinguir lo auténtico de lo apócrifo, y de lo que sabemos de su vida, la historia de la leyenda. Su más importante aportación algebraica, la resolución sistemática de las ecuaciones cúbicas cortando cónicas, se procurará poner al alcance de un lector moderno sin alterar las ideas de fondo.

"Some things are so huge or so old that it's hard to wrap your mind around them. But what if we took these big, hard-to-imagine objects and events and compared them to things we can see, feel and touch? Instantly, we'd see our world in a whole new way." So begins this endlessly intriguing guide to better understanding all those really big ideas and numbers children come across on a regular basis. Author David J. Smith has found clever devices to scale down everything from time lines (the history of Earth compressed into one year), to quantities (all the wealth in the world divided into one...