El iguánodon (Iguanodon)

Few kids can resist jumping into a big puddle. Getting wet can be fun. Learning to describe objects as wet can be fun, too, as evidenced in the bright, entertaining photographs and simple, engaging text in this motivating book. Readers will love to identify the objects within these pages, selected to appeal to them, and use the objects to comprehend new vocabulary words in corresponding sentences.

Describes the frogs, toads, and salamanders of Mexico's Yucatan Peninsula, looking particularly at the wide variety of adaptations found in the few species that dwell there.

For ages, the idea of machines that think and act on their own has gripped scientists, thinkers, and the general public. This book explores the history of artificial intelligence (A.I.), and how science fiction is quickly becoming science fact. It examines the technologies involved in A.I. and its inevitable effects on work, life, health, and many other aspects of human society. Rooted in history and science, this book provides an inside look at a topic that captivates engineers, scientists, and dreamers, but also raises important ethical issues and challenges how we see ourselves and our...

Each title in an educational series features one letter per page with ample writing space for practice, teaching youngsters how to write each letter of the alphabet in upper case, lower case, and in cursive.