The Open First-Edition Reference

First-Edition Identification

Every publisher, every category — 209 houses’ points of issue, a live number-line decoder, 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 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

Browse 209 publishers by category

US Trade Publishers40 publishers Vintage US Publishers (pre-1980)17 publishers UK & Commonwealth Publishers23 publishers Science Fiction, Fantasy & Horror18 publishers Mystery, Crime & Thriller14 publishers Children's & YA Publishers15 publishers University & Academic Presses22 publishers Poetry & Literary Presses13 publishers Fine & Private Press20 publishers Regional & Specialty Presses16 publishers Southwest & New Mexico Presses11 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