Lantern Series by Chess Desalls

Five days before Halloween, all sixteen-year-old Tori has on her mind is vacationing with her family and scoring lots of candy. Her grandmother’s estate, with its Gothic spires and trails that lead out to the woods, holds an unexpected secret: a lantern that lights up for Tori and nobody else. Certain that it’s a ghost or a prank, she investigates further and discovers a mysterious life that shines in the darkness.

When Serah’s life in Havenbrim becomes unbearable, she accepts an apprenticeship with a celestial mechanic and glazier. Her master assigns her the task of opening a globe framed in copper. But the glass and seal are unbreakable. The solution to the puzzle traps Serah inside the globe, and transports her to a world where she longs for home.