Southborough Library Heritage Day Book Sale Book Sale — Southborough, MA

25 Main St, Southborough, MA 01772

Oct 12, 2026

In the library parking lot, 10am-3pm.

While we strive for accuracy in our listings, we can't guarantee that all the information is completely accurate or up to date.

Bag Day Profit Calculator

Estimate your cost per book and resale margin before you go.

Bag / Entry Cost ($)

Estimated Books per Bag

Average Estimated Resale Value ($)

Savings vs. ~$17 new retail98%

Estimates only — resale values vary by title, condition, and marketplace fees.