"Butterfly 9" by Donald Keith is a science fiction novel that was likely written in the late 1950s, during the golden age of sci-fi literature. The book delves into the themes of time travel and alternate realities, framed through the experiences of the main character, Jeff Elliott, who is grappling with personal and professional turmoil. As he navigates a world where time travel is presented as a means of escape and opportunity, the story unfolds the complexities and ethical dilemmas associated with such power. The narrative follows Jeff and his wife, Ann, as they encounter Greet Snader, a time travel agent who offers them an escape from their mundane struggles. When they accept his invitation, they are unexpectedly thrust into a future where they become pawns in a scheme to exploit Jeff's expertise in color television, which is unknown in this new time. As they grapple with their new reality, the couple must navigate a world marked by unfamiliar social norms, language, and an uncertain fate. Jeff's clever and resourceful nature allows him to plan an escape from Snader’s clutches, and ultimately, he makes a bold deal with powerful figures to ensure his return to the past, leaving readers contemplating the mix of ambition and morality in the pursuit of progress. (This is an automatically generated summary.)