These books are non-fiction, paired by topics so children can learn to read and compare two books on the same topic.

DK Readers:  Volcanoes and Other Natural Disasters by Harriet Griffey AND

National Geographic Kids Volcanoes by Anne Schreiber

     DK Readers:  Big Machines by Karen Wallace AND

     National Geographic Kids Trucks by Wil Mara

DK Readers:  Journey of a Humpback Whale by Caryn Jenner AND

National Geographic Kids Great Migration of Whales by Laura Marsh

     Fire! Fire! By Gail Gibbons AND

     Firefighters A to Z by Chris Demarest