DK Readers: Extreme Machines (Level 4: Proficient Readers) (DK Readers Level 4)

They were built to conquer land, sea, and air: read about the biggest, fastest, most incredible machines in the world in the Level 4 DK Reader Extreme Machines!.Stunning photographs combine with lively illustrations and engaging, ageappropriate stories in DK Readers, a multilevel reading program guaranteed to capture childrens interest while developing their reading skills and general knowledge.With DK Readers, children will learn to readthen read to learn!