Mystery small mystery box with example books. Titles and quantities vary.

Example books shown. Titles and quantities vary.

Good books. A little surprise.

Mystery Mystery Box

Choose your subject and size. Tell us what you love, and we’ll choose used books for your next reading adventure.

$50.00 USD

Your Small mystery box
Approx. book count 10–16 books
Format 1 box of used booksSample: hardcovers, mass-market paperbacks, paperbacks. Formats vary.
Your price $50.00 USD
Approx. value ~$66.00 USD
Est. retail/list value $245.00 USDComparable books bought new

Approx. value is based on used-book prices for similar subjects. Actual contents and values vary. Retail/list value estimates the cost of comparable books bought new from catalog data. Estimates dated 2026-10-11.

We use your notes when choosing from available books. Specific titles are a surprise.

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Shipping calculated at checkout.

About this mystery box

Follow clues, meet intriguing characters, and discover a surprise selection of mystery fiction.

Books shown are examples. Actual titles, editions, formats, condition, and values vary. Specific titles and complete series are not guaranteed.

Sample: hardcovers, mass-market paperbacks, paperbacks. Formats vary.

USD estimates at a glance

Size Approx. books Cartons Box price Approx. value Est. retail/list-price value
Small 10–16 1 USD $50 ~USD $66 USD $245
Medium 20–32 2 USD $95 ~USD $131 USD $490
Large 30–48 3 USD $140 ~USD $197 USD $740

CAD estimates at a glance

Size Approx. books Cartons Box price Approx. value Est. retail/list-price value
Small 10–16 1 CAD $50 ~CAD $86 CAD $300
Medium 20–32 2 CAD $95 ~CAD $171 CAD $600
Large 30–48 3 CAD $140 ~CAD $257 CAD $905

Estimates use comparable books from a shared subject group and its typical book count. Evidence is dated 2026-10-11. Used values come from sampled asking-price data. CAD used-value estimates use a dated planning conversion of 1.42645 CAD per USD; they are not verified Canadian storefront totals.

Retail/list-price values use catalog-reported new-book list prices, not independently verified publisher prices. They are not the former price of this box. Used estimates are rounded to whole dollars; list-price estimates are rounded down to $5.

All values are rough estimates, not guaranteed minimums. Add your interests, favorite authors, and books to avoid in Book preferences. Preferences help us select the assortment.