Montgomery County Public Libraries Book Sale — Rockville, MD

21 Maryland Avenue, Rockville, MD 20850

Jan 10, 2027

Children's Book Tasting event. Participants can explore librarian favorites in multiple genres. · Hours: 11:00 AM - 1:00 PM

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.