El alquiler del mundo

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.

¿Cuál es tu día favorito de la semana? En ¡Viva! ¡Es sábado!/Hooray! It’s Saturday!, algo importante pasa cada día. ¡Pero el sábado, esta familia se divierte! (What is your favorite day of the week? In ¡Viva! ¡Es sábado!, something important happens each day!) Young learners learn the days of the week as they go to the park, attend school, have piano lessons, play basketball and more! From Sunday to Saturday, young readers will learn all of the days of the week in this delightfully-illustrated book. Learn simple English words and phrases with the corresponding version Hooray!...

Learn the secrets to artful cupcakes, oven-fresh bread, and other delicious baked goods in this delightful nonfiction title. Readers will learn how mathematics helps bakers measure their ingredients to make tasteful treats. Featuring vibrant images and charts, informative text, and fun, intriguing facts, this Spanish-translated nonfiction book will leave children fascinated by all the details that go into baking their favorite treats--like doughnuts and cookies!

What is the most effective way to study for a test? Whether it's gearing up for the SATs or cramming for a history exam at school, this book is here to help. Packed with results-driven recommendations on everything from time management to reducing stress, it provides students with the tools they need to develop more efficient study habits and boost their grades. Indispensable sidebars are included throughout, as are suggestions for how to apply essential test-prep skills in the workplace and beyond.