Babbitt is the story of a successful realtor, the eponymous Babbitt, whose complacency with and then frustration toward the monotony of his suburban life lead him to attempt to break out of its confines. Eventually, Babbitt's transgressions cause his friends and family to treat him with trepidation, but his wife's sudden illness grounds him and allows him to rejoin his former life. He remains possessed of a free spirit, though, and refuses to conform in his heart.
Natalie Babbitt's fantasy novel Tuck Everlasting tells the story of 10 year old Winnie Foster, who meets a boy names Jesse Tuck who claims to be 104 years old. Jesse reveals that him, and his whole family, gained immortality from drinking from a magical spring. Winnie learns to love the Tucks, and is forced with the hardest decision she'll ever have to make: a normal life, or one of immortality with Jesse.