The book that Tic picks up and finds an old photo in is The Count of Monte Cristo with a slip cover on it. When he looks at the same book later, on the bed, it is a different copy, without a slip cover and has a more classic binding.
Tic, Leti and Uncle George are covered in fresh blood after the night monsters attack the posse. When they arrive in Ardham the next day, the stains on their clothes have not turned brown as blood does when it dries; it's still bright red.
Even allowing for the fact that it's a dream, Jackie Robinson is wearing a modern Dodgers uniform, not one from the 1950s.
When Tic starts playing a jazz album in his apartment, he places the needle near the inner edge of the album which is where tracks end, not at the outer edge where they start.