Friends of Mount Prospect Public Library Book Sale Book Sale — Mount Prospect, IL

10 S Emerson St, Mount Prospect, IL 60056

Oct 17, 2026 – Oct 18, 2026

Friends of Mount Prospect Public Library Book Sale is holding a book sale in Mount Prospect, IL.

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 ($)

Effective Cost Per Book

$0.33/book

Total Estimated Profit Margin

$115.00

Savings vs. ~$17 new retail98%

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