Below a collection of children's books from parallel universes that are eerily similar to our own Goodnight Moon (or Sci-Fi parodies of said book).
Goodnight Forest Moon
A Star Wars retelling of the classic.
Source: DzignSpace :: Goodnight Forest Moon
Would make Frank Herbert proud (maybe?).
Source: Goodnight Dune
Goodnight Keith Moon
The Who Rock 'n' Roll version
Source: Goodnight Keith Moon
See also Classic Time Travel Book Review: Goodnight Moon