The leveled books in this new series are sure to engage even the most reluctant readers in Grades 4-8. Written at second and third grade readability levels, their high interest topics match science and social studies standards - and they are cool! Readings in the 32-page books contain unusual or amazing facts, extreme examples, or even "inside information." Young readers are rewarded with information they’ll be eager to share with friends and family. A hotel made of ice? A stadium with a gruesome past? Around the world and throughout time people have built the most amazing structures. You'll marvel at these wonders!