Science Fiction small mystery box with example books. Titles and quantities vary.

Example books shown. Titles and quantities vary.

Good books. A little surprise.

Science Fiction 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: paperbacks, hardcovers, mass-market 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.

Your message will be saved with this mystery box. Add your name if you’d like the recipient to know who it’s from.

For gifts, check the gift box above. Leave the message empty if you do not want to add one.

Shipping calculated at checkout.

About this mystery box

Explore imagined futures and new possibilities with a surprise selection of science fiction.

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

Sample: paperbacks, hardcovers, mass-market 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.