We won't be having another reading drive in the future (or at least not in the format we've had the last two times where you just turn in books and get points), so yes the old prizes will eventually be in the Antique Shop. We are still working on that perfect conversion number for the prizes from Reading Drive Points to sP!

(there are spooky random events happening, I WONDER IF THAT MEANS EVENT)

The reading drive prices will be much nicer in the Antique shop because the range between the highest and lowest prizes aren't as extreme as was the case with the Pirate vs Islander items.