Harry Potter and the Cursed Child by J.K Rowling, John Tiffany and Jack Thorne

It is written in the form of theatre play.

For me, it is about over-parenting and loneliness. It emphasizes that no good fight is fought alone and friends are so important. Albus and Scorpius are the children of Potter, and Malfoy and they get along very well, but because of the tension between the families the friendship is not supported by the parents. They travel in time with a Time Turner. The basis of the story how reality of the present changes when certain bits are "removed" from the past. It shows that sacrifices are important even if it is not fair how these sacrifices are claimed. We may mourn over tough decisions of the past but we don't know how the present would look like without those decisions/sacrifices. In a couple of scenes people are sending messages through time to one another. These messages almost never reaches their intended recipients, however they are told. I was thinking why these lost messages are in the story. Maybe because saying those key statements about relationship, marriage, parenthood, friendship and so on should be told, but they are lost in time so many times. So, the authors encourage us to correct their story by saying those now to our own spouse, friends and family.

DELPHI
[...] You think you're stronger than me?
HARRY
No. I'm not. [...] But we are. [...] I've never fought alone, you see. And I never will.