What’s the largest your personal library has ever been? If it includes everyone in the household, then around 500.
What’s the greatest number of books you’ve ever owned at one time? (Estimates are fine.) 500
Is your collection NOW the biggest it’s ever been? Or have you down-sized? I have downsized recently.
What’s the fewest number of books you’ve ever owned (not counting your pre-reading years)? 25
What about you?