Hello, future me by Ventrella, Kim 

BTSB Prebound(Scholastic Press, 2020)

BTSB #: 907370 Available

Dewey: FAges: 8-12   
AR: 4.7 MG

Genres: Fantasy Fiction Family Life

Subjects: Divorce - Fiction Parent-child relationship - Fiction Magic - Fiction Future - Fiction Friendship - Fiction Humorous fiction

Summary: Soon-to-be twelve-year-old June is a planner and a problem-solver, and right now she and her friend Calvin are planning a big welcome home celebration for her mother, only her plan falls apart when she finds out that her parents are getting a divorce; June is convinced that she can find some way to get her parents back together--until she starts getting messages on her "new" laptop (refurbished by a mysterious store called The Shop of Last Resort), messages from JuniePie28 who claims to be her future self, warning her not to interfere in her parent's marriage.