Pogo books. Engineering marvels

"Carefully leveled text and vibrant photographs introduce early readers the science and engineering behind the Channel Tunnel. Includes infographics, an activity, glossary, and index."--

"Carefully leveled text and vibrant photographs introduce early readers the science and engineering behind the Kingda Ka roller coaster. Includes infographics, an activity, glossary, and index."-- Describes the roller coaster at Six Flags Great Adventure, Jackson, New Jersey.