Los fósiles y las rocas

Three Quarters Of Our Earth Is Blanketed By Water. How This Water Is Used, From Bathing To Irrigating Crops Is Addressed. That Water Travels In A Never-Ending Pattern Called The Water Cycle. Tips On How To Conserve Our Most Important Natural Resource Are Included.

Discover the world of mammals in this delightful nonfiction title! Readers will learn all about different mammals--from primates to marsupials, and rabbits to whales, even omnivores and herbivores. Featuring vivid photos and charts, clear text, and stimulating facts, this Spanish-translated book will have children eager to learn all they can about mammals! This 6-Pack includes six copies of this title and a lesson plan.

Discusses issues that involve dating and premarital sex among young adults and explores the consequences of making bad choices when it comes to promiscuity.

Cuarto y último de la nueva edición íntegra, en cuatro volúmenes, de este gran clásico de la historiografía concebido según los cánones del espíritu de la Ilustración. Publicada por vez primera entre 1776 y 1787, esta historia de la decadencia y ruina del Imperio Romano obtuvo el inmediato reconocimiento académico y el favor de los lectores, motivando su continua reedición.

Take a trip to the city and practice addition! This charming title follows the story of a family who visits the city for the day, discovering how many ways addition and early STEM skills are a part of transportation and daily life. Students will add ticket prices, travel times, passengers, taxis, and more! Vibrant images, fun practice problems, and helpful mathematical charts help young readers practice addition and early STEM themes. This book makes addition fun and encourages children to see what they can add in their daily lives!