The phrase 'お探し物は図書室まで' carries a nostalgic warmth that's hard to capture in English. After seeing various fan translations, I feel 'For anything you seek, come to the library' best preserves its inviting tone. The original Japanese has this gentle rhythm that makes the library sound like a magical place - not just for books, but for discovering anything missing in your life.
What's fascinating is how the English version shifts slightly in nuance. While keeping the core meaning, it loses some of that Japanese literary cadence but gains a clearer call-to-action. The translation I mentioned manages to balance both worlds - it's practical yet retains that whimsical 'the library has answers' feeling from the original.