When a cave boy gets a 'puppy,' things don't quite turn out as he expected--

A young Tyrannosaurus rex with very poor eyesight loses his eyeglasses, resulting in chaos for himself and the creatures around him.

"During more than a thousand years before Europeans arrived in 1540, the native peoples of what is now the southwestern United States and northern Mexico developed an architecture of rich diversity and beauty. Vestiges of thousands of these dwellings and villages still remain, in locations ranging from Colorado in the north to Chihuahua in the south and from Nevada in the west to eastern New Mexico -- a geographical area of some 300,000 square miles....

Ms. Lernin, a retired paleontologist, helps fifth-grader Ronnie study for a quiz on dinosaurs by taking her on a guided tour of the Mesozoic Era.

While working to secure her future with Kol, Mya finds herself facing an impossible choice when she learns her brother has arranged an unfavorable marriage.

After discovering an asteroid heading straight for Earth, Sid and his friends set out to warn those in its path.

"Poetic text explores the lives of our Paleolithic ancestors, who lived as a part of nature and were shaping what Homo sapiens would become"--