Every year in Namibia, about two thousand zebras suddenly disappear from their grazing area along the Chobe River. Months later, the herd returns. Where do they go? And why? Thanks to satellite-tracking collars, scientists were able to solve the mystery, but several questions remain. Award-winning science author Sandra Markle reveals the process scientists used to study the zebras, and she also delves into the science of migration, exploring how animals...

"Developed by literacy experts for students in kindergarten through grade three, this book introduces baby zebras to young readers through leveled text and related photos"--

From a smelly watering hole deep in the heart of the Serengeti to the ferocious clamor of the Colosseum, join Julius Zebra and his motley menagerie of friends as they gear up to be gladiators! Only if they win the love of the Roman crowds will they win back their freedom. But do Julius and his pals have what it takes to succeed in a world where only the meanest and toughest survive?

The third title in Gary Northfield's exciting, action-packed and hysterically funny series brimming with entertaining Roman and Egyptian facts. After being shipwrecked on the shores of Egypt and mistaken for a Horse God, Julius can't believe his luck! Soon he and his bedraggled friends will be living it up in the city of Alexandria; preened and pampered like gods. Then a fancy boat procession will take them down the River Nile to Giza where, of course,...