El mundo como un juego matemático

This award-winning beginner's guide to the natural world of fish from the creators of the About... series was named an "NSTA Recommends" book. Noted educator and author Cathryn Sill uses simple, easy-to-understand language to teach children the basic characteristics of what fish are, how they swim, breathe, and reproduce, and explains the different ways they protect themselves from predators. With beautifully detailed, realistic paintings, noted wildlife illustrator John Sill introduces readers to the diversity of the fish population, from an Arctic char to a porcupine fish. An afterword...

Uncover some of the most infamous disasters in the world including the Hindenburg, the sinking of the Titanic, the Dust Bowl, BP oil spill, the Hiroshima and Nagasaki atomic bombs, and the Chernobyl disaster in this shocking book. With its intriguing facts, vivid images, helpful graphs and maps, and informational text, this fascinating, Spanish-translated nonfiction title will keep readers informed, engaged, and interested from cover to cover.

Spanish speakers can now learn more about the most famous championship series in all of baseball: the World Series! Los hispanohablantes pueden ahora conocer más sobre la serie más famosa del campeonato de béisbol: ¡la Serie Mundial! "Strike three, you're out!" "He's safe!" "Home run!" Every October, millions of baseball fans around the country anxiously wait to see which team wins baseball's biggest championship. But the original games of the 1900s hardly looked like they do today. Take a look back over one hundred years and discover the history of baseball's greatest series. With...

An introduction to taipans, snakes from Australia and New Guinea, describes the three different kinds of taipan, physical characteristics, life cycle, habitat, and predatory behavior.