Second day of Advent is a little late but heart felt
If you want a good SF story with a female lead then Ellie is the book for you.
Ellie moves in with her Aunt and Uncle after loosing her father in a tragic accident. She develops the Neutrino Engine which can travel in time. After her first test mission she is determined to go back and save her father. But she is thrown 7 years into the future where Earth has been decimated by creatures from another di
mention The only way to save mankind is to go back in time and she has only 24 hours to find her way home.
The good news is if you like this one the second in the series will be out soon.