What is the mood or tone of the book Tuck Everlasting?and it would help if you could give examples from the story that support that mood.

The mood of Tuck Everlasting is one of triumph ! In Tuck Everlasting the human spirit prevails. The Tucks suffer a lot but are saved and Winnie goes back home a better person. The darkness period was when the Man in the Yellow Suit makes threatening demands on the Fosters and the Tucks, but the willpower of the Tucks to save the world from the dire consequences of eternal life overpower the evil the Man brings.