If you are going to be taken by the hand and led into the past you need to be taken there with complete confidence that the world you are reading about and imagining is right in every detail.
So far so good with The Opposite of Falling painting a picture of life in 1862 for a woman of leisure as well as an orphan being brought up by nuns. The alternating chapters, a common technique to introduce differing viewpoints, allows you to follow the lives of wealthy but bored Ursula Bridgewater and the vulnerable and orphaned Sally Walker.
Over the other side of the Atlantic the character of the flying obsessive O'Hara is also emerging. The three will eventually meet but before then there have to be some more movements by all three to get into a situation when they are in a position to collide.
So far it's fairly interesting. A review will follow on completion...