Willis, Connie

Three Oxford historians, living in an age of time travel, have become trapped in London in the 1940s, where their struggles for survival are further complicated by the knowledge that one or all of them have somehow affected the past, changing the outcome of the war; while in 2060, their supervisor Mr. Dunworthy and seventeen-year-old Colin Templer work desperately to find the three and bring them home.

Young twenty-first century historian Kivrin Engle becomes stranded in the fourteenth century after a time-travel expedition goes wrong, and she finds herself cast in the role of an angel of hope during one of history's darkest hours.

Stranded in the past during World War II, three researchers from the future investigate period behavior and seek each other out in a shared effort to return to their own time.

Time-travel researcher Ned Henry shuttles back and forth between the 21st century and the 1940s in order to correct an incongruity brought forward from the past.