No sales recorded yet
We value a printing from verified sales of that exact printing, and none of the first impression has come to auction in our records so far. The chart and the value by condition appear here as soon as one does.
Owners and wanters are told when a figure is ready.
Harper (Harper & Brothers, then Harper & Row, then HarperCollins) marks first printings "First Edition" on the copyright page and also prints a code for the printing: two key letters for month and year from 1912, and a number line from about 1975.
By period
Read the full guide to HarperCollins first editions, decade by decade, and check your copy's copyright page against it. Our number line decoder reads the printing from the row of numbers.
We have not yet confirmed the issue points that tell this first impression from later ones. Until we do, compare your copy's title page and copyright page with the publisher, place and year above: any later printing or edition statement means it is not this one.
Know the points? Tell us. We publish them, with credit, once a second source agrees.
HarperCollins, New York, in 2002.
For most books published since the 1920s, the original dust jacket carries a large share of the value, often most …
Read the guide →7 min readTo identify a first edition, check that your copy is the first printing of the first edition. Read the copyright …
Read the guide →6 min readBook condition grading uses a six-step trade scale: Fine, Near Fine, Very Good, Good, Fair and Poor. Collectors grade the …
Read the guide →