Helen Foster Books in Order
Part ofCaroline Hanson Books in OrderThis page lists the Helen Foster books by Caroline Hanson in order, with summaries, time-travel series background, and help on where to start.
Last updated: July 14, 2026
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Helen Foster books in publication order
2 books
A Lady Out of Time
by Caroline Hanson
2013
Soldier Helen Foster is sent from a nightmare future to Victorian England to stop a superweapon from changing history forever. Her plan starts to unravel the moment she has to blackmail the Duke of Somervale.
A Lady Most Dangerous
by Caroline Hanson
2014
Believed dead by the duke she cannot forget, Helen takes on a new mission to stop an assassination. Staying hidden is hard enough, but love makes the whole thing even more dangerous.
Helen Foster books in chronological order
Series background & context
The Helen Foster books take a big swing right from the start. Their heroine is not a governess or a debutante but a soldier from a brutal future, a version of 2089 where war has dragged on for generations and one terrible invention helped shape the world into something grim. Helen is sent back on a one-way mission to Victorian England to stop that future from happening.
That setup gives A Lady Out of Time a nice built-in tension. Helen knows exactly what she is meant to do: get to an auction, secure the plans for a deadly weapon, destroy them, and accept that she may never see her own time again. In practice, almost nothing goes cleanly. She lands in a society full of rules she does not respect, needs money she does not have, and ends up blackmailing Edward Clifton, Duke of Somervale, the very sort of man she would rather avoid.
Edward changes the whole book.
He is powerful, controlled, and thoroughly Victorian where Helen is blunt, modern, and impossible to contain. Much of the pleasure of the series comes from watching those two clash. Their attraction is real, but it is tangled up with class, secrecy, duty, and the fact that Helen is living inside borrowed time. The story is romantic, but it also remembers that Helen is on a mission and that history itself is unstable.
In A Lady Most Dangerous, the relationship deepens while the danger gets bigger. Helen has survived, Edward believes she is dead, and a new mission forces her back into the center of events. This time the stakes include an assassination plot and the question of whether she can keep changing history without losing herself, or the man she loves, along the way.
The series has a tone that is easy to enjoy. It is part time-travel adventure, part historical romance, and part alternate-history thriller. Hanson does not write Victorian England as a museum piece. She writes it as a place Helen has to survive in, with corsets, manners, class power, and all the absurd limits placed on women pressing in from every side.
If you like romance with momentum, this pair delivers. Come for the future soldier in the past, stay for the sharp banter, the doomed feeling of a one-way trip, and the central question running through both books: how much of history can one stubborn woman really change?
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