The Channel Tunnel is a terrific tunnel. It runs underwater! In Building the Channel Tunnel, young readers will find out more about this engineering marvel and how it was built. Compelling photographs and easy-to-read text brings this story to life, followed by a comprehensive quiz. Aligned to Common Core Standards and correlated to state standards. Applied to STEM Concepts of Learning Principles. Super Sandcastle is an imprint of Abdo Publishing, a division of ABDO.