Cien cosas que debes saber sobre piratas

¿Sabrías qué alimentos elegir? ¿Cómo hacer fuego con un paquete de chicles? ¿Cocinar una pizza con una caja de zapatos? ¿Convertir un clip en una auténtica brújula? ¿Usar tu propia orina para hacer una pila? ¿Calcular la hora con un simple palo? En esta guía encontrarás los trucos más locos de supervivencia: cocinar en un vaso de cartón, vivir en una casa flotante e incluso fabricar tu propia lavadora portátil... ¡No hay límites! Aunque si lo que buscas es divertirte, también te enseñamos un montón de gamberradas que hacer con los zombis, como ponerles una cabeza de...

This book is a comprehensive, practical presentation of the principles of behavior modification and guidelines for their application. It teaches forms of behavior modification ranging from helping children learn necessary life skills to training pets, to solving personal behavior problems.

This Spanish-language series presents the complete range of math concepts and skills students are expected to master during the first grade. The series moves sequentially, from easiest to hardest concepts, with each book covering a different math topic. The first volume reviews the math concepts students learned in kindergarten. The next six books cover counting, adding and subtracting, tables and graphs, money, patterns, and measuring. The eighth volume is a summary of the math concepts students have studied throughout the year. Each book presents situations that show the relevance of math...

"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...