As an author, voice actor, and the dad of a three-year-old, there is something about "Goodnight Moon" that is a pleasure to read aloud. The pacing is excellent, the syllables deftly selected. My favorite passage is at the end: "Goodnight stars, goodnight air, goodnight noises everywhere." There is something satisfying in the cadence of the words. It's difficult to articulate why this is.
Similarly satisfying kids' books: "Tomorrow Most Likely", and "All the World."