Kiss Across Blades (Kiss Across Time Book 9)

The cost of saving his children is too high…
Since learning that time travel is real, Remi de Sauveterre has yearned to jump back two hundred years to revolutionary France to rescue his children the night they died. Only, the odds of creating a time paradox which will destroy everyone’s future are huge.
London would give Remi his hearts’ desire if she only had the courage to attempt the dangerous jump back into his past, for she loves him and knows that refusing him will push him away from her and Neven.
Then she and Neven come across an alternative world where their son does not exist and, suddenly, the idea of risking everything to save their family seems worth it. Only, time travel always goes wrong…