A read-aloud anthology focuses on Earth's history. Over three weeks, young scholars listen to and discuss stories about the layers of the Earth, minerals, fossils, different kinds of rocks, and dinosaurs. After the lesson's text, each...

Renowned paleontologist Jack Horner has spent his career trying to reconstruct a dinosaur. He's found fossils with extraordinarily well-preserved blood vessels and soft tissues, but never intact DNA. So, in a new approach, he's taking...