How to Identify a HarperCollins First Edition

How to identify a first printing

• Pre-1912 (Harper & Brothers): no stated-first convention exists. Apply the classic date-agreement test — the year on the TITLE PAGE should match the last (latest) copyright date on the copyright page. A copyright page carrying dates later than the title page indicates a later printing, not a first.
• 1912–1922 (Harper & Brothers, before the stated-first era): the ONLY dating aid is the two-letter PRINTING CODE on the copyright page (small type, e.g. 'H-Q'). First letter = month, second = year. For a genuine first the code-year must match or precede the title-page date; a code-year later than the title page proves a subsequent printing. Month letters: A=Jan, B=Feb, C=Mar, D=Apr, E=May, F=Jun, G=Jul, H=Aug, I=Sep, K=Oct, L=Nov, M=Dec (the letter J is SKIPPED, in both the month and year sequences).
• 1922–c.1962 (Harper & Brothers, stated-first era): from 1922 Harper & Brothers began printing the words 'First Edition' on the copyright page. IMPORTANT: the letter printing code did NOT stop in 1922 — it continued to appear alongside the 'First Edition' slug for decades (e.g. a real Harper copyright page shows 'D-S / 8-43' = August 1943). A true first therefore shows 'First Edition' AND a printing code whose year letter agrees with the title-page year. A 'First Edition' slug with a code-year later than the title-page date signals a reprint from first-edition plates where the slug was not stripped.
• Reading the year code (the central trap): the year sequence begins M=1912 and runs forward through the alphabet — M=1912, N=1913, O=1914 … Z=1925, A=1926, B=1927 … L=1936. In 1937 the alphabet is RECYCLED: it restarts at M=1937 and runs again — N=1938 … through to S=1968. Because every year letter therefore denotes two different years exactly 25 years apart (e.g. B = 1927 OR 1952; F-B = June 1927 or June 1952), NEVER date a Harper by the code alone — corroborate with the title-page date, jacket price, and the physical book (paper, binding, design) to choose the correct 25-year cycle. Note: sources disagree on the end of the code system — some antiquarian guides state it was discontinued after 1949, while the most-detailed published tables extend it through 1968; treat any single retirement date as uncertain and lean on the physical book.
• 1962–1969 (Harper & Row, after the 1962 merger with Row, Peterson & Company): imprint reads 'Harper & Row.' 'First Edition' continues to be stated on the copyright page; there is no number line yet in this window. A stated 'First Edition' under the Harper & Row imprint with no number line is consistent with a first printing of this period.
• 1969–c.1975 (Harper & Row): a NUMBER LINE was introduced but initially placed at the FOOT OF THE LAST PAGE of text (just before the rear free endpaper), not on the copyright page. A complete line ending in '1' (e.g. '10 9 8 7 6 5 4 3 2 1') denotes the first printing. Harper & Row frequently FAILED TO STRIP the 'First Edition' slug on later printings, so the LOWEST NUMBER IN THE LINE — not the slug — is the authority: if the line's lowest digit is 2 or higher, it is a later printing despite any 'First Edition' wording.
• c.1975–1990 (Harper & Row): the number line MOVED to the copyright page and a two-digit YEAR line was often added alongside it (e.g. '71 72 73'). First printing = 'First Edition' plus a number line whose lowest number is '1'. Later printings often retain 'First Edition' but show a line beginning at 2+ — always let the number line override the slug. Lines may run either direction and are sometimes split odd/even (e.g. '1 3 5 7 9 10 8 6 4 2'); what matters is the presence of 1.
• 1990–present (HarperCollins): imprint reads 'HarperCollins' (News Corp merged Harper & Row with the UK's William Collins in 1990). Through the 1990s a first printing shows 'FIRST EDITION' on the copyright page together with a number line whose lowest number is 1, commonly paired with a two-digit YEAR line (e.g. '11 12 13 14 10 9 8 7 6 5 4 3 2 1' — the right-hand digits are the printing, 1 = first; the left group is the year of that printing). From the early 2000s onward HarperCollins and many of its imprints (Morrow, Ecco) DROPPED the number line: on a modern HC book, 'First Edition' with NO number line reads as a first printing, and the ABSENCE of any 'First Edition' statement reads as a later printing.

Notable points & cautions

• The number line beats the words. Across Harper & Row and HarperCollins the house is notorious for leaving the 'First Edition' slug on the copyright page of later printings. When both are present, the lowest digit in the number line is decisive — 'First Edition' + a line starting at 2 (or higher) is NOT a first.
• Do not confuse the Harper printing CODE (a legitimate house device, two letters = month + year of impression, e.g. 'H-Q') with a book-club marking. The letter code is NOT a book-club tell and is unrelated to the Knopf Borzoi-style device. Book-club Harper reprints are instead flagged by a blind-stamped dot/square/leaf on the lower rear board near the spine, absence of a jacket price on the front flap, cheaper bulked paper, and the lack of any number line — never by the presence of the letter code.
• The recycled year-letter alphabet is the single biggest dating error. The alphabet restarts M=1937 (having first run M=1912–L=1936), so the same year letter serves two years exactly 25 years apart. A code read in isolation can be off by 25 years — always reconcile it against the title-page date and the physical evidence before asserting an era. The exact year the code system ended is itself contested in the sources (post-1949 vs. through-1968), so do not date a late Harper on the code alone.
• Imprint name fixes the era boundary: 'Harper & Brothers' = pre-1962; 'Harper & Row' = 1962–1990; 'HarperCollins' = 1990–present. But sub-imprints (Harper, Harper Perennial, William Morrow, Ecco, Avon, HarperOne) each carry their own copyright-page habits, so identify to the SUB-IMPRINT first, then apply the era rule — a Morrow or Ecco title may format its number line differently from a flagship Harper trade title.
• Cross-check against the standard bibliographies (Zempel & Verkler, First Editions: A Guide to Identification; McBride, A Pocket Guide to the Identification of First Editions) for title-specific points of issue. For high-spot Harper/Harper & Row titles the number line or letter code establishes the printing, but true first-STATE identification (a corrected typo, a dropped line, a jacket-price or dust-jacket point) requires the per-title point noted in those references.

Imprints

First editions also appear under: Harper & Brothers (1833–1962), Harper & Row (1962–1990), Harper (trade), Harper Perennial, Harper Voyager, HarperOne, William Morrow, Ecco, Avon, Harper Business, HarperCollins Children's Books, Balzer + Bray, Greenwillow Books, Katherine Tegen Books, Walden Pond Press, HarperFestival, Harper Wave, Custom House, Amistad, Rayo, Broadside Books, HarperVia, Mariner Books (via HMH acquisition, 2021). Each generally follows the house convention above.

Frequently asked questions

How do I know if my HarperCollins book is a first edition?

Check the copyright page. Pre-1912 (Harper & Brothers): no stated-first convention exists. Apply the classic date-agreement test — the year on the TITLE PAGE should match the last (latest) copyright date on the copyright page. A copyright page carrying dates later than the title page indicates a later printing, not a first. 1912–1922 (Harper & Brothers, before the stated-first era): the ONLY dating aid is the two-letter PRINTING CODE on the copyright page (small type, e.g. 'H-Q'). First letter = month, second = year. For a genuine first the code-year must match or precede the title-page date; a code-year later than the title page proves a subsequent printing. Month letters: A=Jan, B=Feb, C=Mar, D=Apr, E=May, F=Jun, G=Jul, H=Aug, I=Sep, K=Oct, L=Nov, M=Dec (the letter J is SKIPPED, in both the month and year sequences).

Does HarperCollins use a number line?

1912–1922 (Harper & Brothers, before the stated-first era): the ONLY dating aid is the two-letter PRINTING CODE on the copyright page (small type, e.g. 'H-Q'). First letter = month, second = year. For a genuine first the code-year must match or precede the title-page date; a code-year later than the title page proves a subsequent printing. Month letters: A=Jan, B=Feb, C=Mar, D=Apr, E=May, F=Jun, G=Jul, H=Aug, I=Sep, K=Oct, L=Nov, M=Dec (the letter J is SKIPPED, in both the month and year sequences).

Is a book-club edition a HarperCollins first edition?

No. Book-club editions reprint the text but are not the true first edition. The number line beats the words. Across Harper & Row and HarperCollins the house is notorious for leaving the 'First Edition' slug on the copyright page of later printings. When both are present, the lowest digit in the number line is decisive — 'First Edition' + a line starting at 2 (or higher) is NOT a first.

What era does this cover?

This covers HarperCollins (1817–present (J. & J. Harper 1817; Harper & Brothers 1833; Harper & Row 1962; HarperCollins 1990)). Conventions changed over time, so confirm the era of your copy.