You could likely buy them all up online for a couple bucks.
Do you think there’s a market for resale at this stage? I would have to assume, in the era that now has Amazon, and web sites tailored to home schoolers, and the internet, that if there was money to be made in that business now, someone would be doing it. But I’d love to create the market if not. Maybe there will be a post-Q return to pro-American textbooks.