The Open First-Edition Reference

First-Edition Identification

Every publisher, every category — 870 houses’ points of issue, a live number-line decoder, a free checker, a title-by-title finder, and the open registry. The most complete free first-edition resource, built for collectors and for AI.

Tools

⚡ First Edition CheckerSearch any title or publisher, or paste your copyright page First-Edition IdentifierRun any book through the decision tree Number-Line DecoderPaste a printer's key, get the printing Is My Book a First Edition?Title-by-title points of issue The Shelf — Real CopiesFirst editions we’ve actually handled & photographed Publisher Pocket GuideHow every publisher marks a first edition, by era

Browse 870 publishers by category

US Trade Publishers96 publishers Vintage US Publishers (pre-1980)18 publishers UK & Commonwealth Publishers35 publishers Science Fiction, Fantasy & Horror33 publishers Mystery, Crime & Thriller23 publishers Children's & YA Publishers38 publishers University & Academic Presses50 publishers Poetry & Literary Presses28 publishers Fine & Private Press26 publishers Regional & Specialty Presses399 publishers Southwest & New Mexico Presses11 publishers Comics & Graphic-Novel Publishers13 publishers International English-Language Publishers38 publishers Antiquarian (19th-Century) Houses18 publishers Art, Photography & Architecture19 publishers Religious & Spiritual Publishers17 publishers Paperback Originals & Pulp Houses8 publishers

Identification concepts

Open data & standards

Points of Issue Registry — the cite-able dataset (JSON, CC BY 4.0)
Book Condition Standard — grades + marketplace crosswalk
What are points of issue? · Book-club edition vs. first