The tunnel to summer

"The Tunnel to Summer" is a science fiction novella written by Robert A. Heinlein. It was first published in 1955 as part of the collection "The Menace from Earth." The story is set in a future world where technology allows for the creation of a tunnel that can transport people through time, specifically to the season of summer. The protagonist, Daniel Boone Davis, embarks on a journey through the tunnel and experiences various adventures and challenges along the way. The novella explores themes of time travel, human ingenuity, and the impact of technology on society. Heinleins work is known for its imaginative storytelling and thought-provoking exploration of scientific concepts.