Honeymoon
Anne McCaffrey
Brainship (1.50)
The Blood Mirror
Brent Weeks
Lightbringer (4)
The Sunlit Man
Brandon Sanderson
They do it with mirrors
Agatha Christie
Miss Marple (6)
The Phantom Tollbooth
Norton Juster
Sir Gawain and the Green Knight, Pearl, and Sir Orfeo
J. R. R. Tolkien
The Adventures of Tom Bombadil