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MyBookWorth

Book Collecting Guides

How to identify first editions, assess condition, and understand what actually drives a book's market value.

A row of matching cream cloth-bound volumes with gilt bands on a walnut shelf, one lying flat in front

Do Multi-Volume Sets Sell for More?

Across 13,854 multi-volume lots, a set barely beats a single book — and the price per volume collapses from €30 to €2 as the set grows.

· 12 min read

A large photography monograph lying open on pale linen beside a folded pair of white cotton gloves

What Collectable Photobooks Sell For

We priced 17,967 photobook lots by 99 named photographers. The typical one makes €62, and a signature is worth more here than in books generally.

· 12 min read

An open hardback lying flat at a blank page with a fountain pen resting on it, a stack of identical copies behind

Whose Signatures Are Worth Least

For 31 of 165 authors, signed copies sold for less than unsigned ones. The reason is not fame — it is where the rare books ended up.

· 11 min read

An open hardback book on a writing desk beside a fountain pen, lit by soft window light

What a Signature Is Really Worth

We compared signed and unsigned copies across 800,000 auction sales. A famous name can multiply the price eightfold; most authors barely move it.

· 6 min read

A row of antique leather-bound books with gilt-tooled spines on a dark wooden shelf

What a First Edition Is Actually Worth

Books described as first editions sold for barely more than everything else. Why the label is weak, and what actually carries the value.

· 7 min read

An open antique book on a desk with a magnifying glass and cotton conservation gloves

How to Identify a First Edition

Number lines, copyright pages, book club tells and issue points: the checks that turn a claimed first edition into a verified one.

· 12 min read

A stack of worn antique books piled on a wooden table beside a window

Is My Old Book Worth Anything?

We looked at 605,255 real auction sales of old books, maps and prints. Seven in ten sold for under €100. Here is how to place your own.

· 10 min read

An open antique book on a green baize table beside an auctioneer's gavel, reading glasses and a cloth-bound volume

How to Read an Auction Result

A sold price is evidence; an asking price is an opinion. Here is how to read the comparable sales this site returns, in about five minutes.

· 11 min read

Three books side by side on pale linen: a warped vellum-bound folio, a worn green cloth volume, and a plain modern one

Does Age Make a Book Valuable?

We priced 446,180 dated auction lots by century. Age helps far less than people think, and after 1800 it stops helping almost entirely.

· 10 min read

Four folded antique engraved maps of different continents spread across a dark wooden table beside a small brass globe

What Antique Maps Are Worth by Region

A map of Spain typically sells for €77 and a map of France for €42, from the same engravers. Here is the going rate for 34 regions.

· 13 min read

A stack of engraved antique maps on a wooden desk with brass dividers and a magnifying glass resting on top

Which Antique Map Makers Sell Best

Blaeu is the name every collector knows, yet across 53,715 map lots he sells for €84 while Braun & Hogenberg reach €96. Here is why.

· 12 min read