"Esther: Putting your life in His hands"
or
"Esther: Lessons from the girl who lived"
or if it can take a long title (or tag line)
"Esther: Putting your life in His hands - lessons from the girl who lived"
"Esther: Putting your life in His hands - lessons from the girl who lived to tell the tale"
Regards
Jill
JJ