Heyday Books

California publisher
Organization nonprofit_organization Q5749682
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Heyday Books

Summary

Heyday Books is a nonprofit organization[1]. It ranks in the top 8% of nonprofit_organization entities by monthly Wikipedia readership (4 views/month).[2]

Key Facts

  • Heyday Books held citizenship in United States[3].
  • Heyday Books was a member of Independent Publishers Caucus[4].
  • Heyday Books is in the country of United States[5].
  • Heyday Books's instance of is recorded as nonprofit organization[6].
  • Heyday Books's founder is recorded as Malcolm Margolin[7].
  • Heyday Books's headquarters location is recorded as Berkeley[8].
  • Heyday Books's ISNI is recorded as 0000000086251900[9].
  • Heyday Books's VIAF cluster ID is recorded as 124787817[10].
  • Heyday Books's Library of Congress authority ID is recorded as nr2001018424[11].
  • +1974-00-00T00:00:00Z marks the founding of Heyday Books[12].
  • Heyday Books's Freebase ID is recorded as /m/06rmdd[13].
  • Heyday Books's official website is recorded as https://www.heydaybooks.com[14].
  • Heyday Books's IRS Employer Identification Number is recorded as 94-3268357[15].
  • Heyday Books's total revenue is recorded as {'unit': 'http://www.wikidata.org/entity/Q4917', 'amount': '+2760306'}[16].
  • Heyday Books's total revenue is recorded as {'unit': 'http://www.wikidata.org/entity/Q4917', 'amount': '+2442470'}[17].
  • Heyday Books's total revenue is recorded as {'unit': 'http://www.wikidata.org/entity/Q4917', 'amount': '+1848320'}[18].
  • Heyday Books's total revenue is recorded as {'unit': 'http://www.wikidata.org/entity/Q4917', 'amount': '+1671501'}[19].
  • Heyday Books's total revenue is recorded as {'unit': 'http://www.wikidata.org/entity/Q4917', 'amount': '+1666788'}[20].
  • Heyday Books's total revenue is recorded as {'unit': 'http://www.wikidata.org/entity/Q4917', 'amount': '+2072106'}[21].
  • Heyday Books's total revenue is recorded as {'unit': 'http://www.wikidata.org/entity/Q4917', 'amount': '+2835744'}[22].
  • Heyday Books's total revenue is recorded as {'unit': 'http://www.wikidata.org/entity/Q4917', 'amount': '+1953383'}[23].
  • Heyday Books's total revenue is recorded as {'unit': 'http://www.wikidata.org/entity/Q4917', 'amount': '+1263569'}[24].
  • Heyday Books's total revenue is recorded as {'unit': 'http://www.wikidata.org/entity/Q4917', 'amount': '+2056756'}[25].
  • Heyday Books's total revenue is recorded as {'unit': 'http://www.wikidata.org/entity/Q4917', 'amount': '+1980240'}[26].
  • Heyday Books's total revenue is recorded as {'unit': 'http://www.wikidata.org/entity/Q4917', 'amount': '+1890629'}[27].

Body

Founding

Heyday Books's founder is recorded as Malcolm Margolin[7]. +1974-00-00T00:00:00Z marks the founding of it[12].

Operations

Heyday Books's headquarters location is recorded as Berkeley[8].

Why It Matters

Heyday Books ranks in the top 8% of nonprofit_organization entities by monthly Wikipedia readership (4 views/month).[2]

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [5] . projects.propublica.org. Retrieved . projects.propublica.org. Provenance: wikidata.org.
  2. [3] . archINFORM. wikidata.org.
  3. [6] . projects.propublica.org. Retrieved . projects.propublica.org. Provenance: wikidata.org.
  4. [7] . wikidata.org.
  5. [8] . wikidata.org.
  6. [9] . wikidata.org.
  7. [10] . wikidata.org.
  8. [11] . Virtual International Authority File. Retrieved . wikidata.org.
  9. [4] . web.archive.org. Retrieved . web.archive.org. Provenance: wikidata.org.
  10. [12] . wikidata.org.
  11. [13] . Google Knowledge Graph. wikidata.org.
  12. [14] . indiepubs.org. Retrieved . indiepubs.org. Provenance: wikidata.org.
  13. [15] . projects.propublica.org. Retrieved . projects.propublica.org. Provenance: wikidata.org.
  14. [16] . Nonprofit Explorer. Retrieved . projects.propublica.org. Provenance: wikidata.org.
  15. [17] . Nonprofit Explorer. Retrieved . projects.propublica.org. Provenance: wikidata.org.
  16. [18] . Nonprofit Explorer. Retrieved . wikidata.org.
  17. [19] . Nonprofit Explorer. Retrieved . wikidata.org.
  18. [20] . Nonprofit Explorer. Retrieved . wikidata.org.
  19. [21] . Nonprofit Explorer. Retrieved . wikidata.org.
  20. [22] . Nonprofit Explorer. Retrieved . wikidata.org.
  21. [23] . Nonprofit Explorer. Retrieved . wikidata.org.
  22. [24] . Nonprofit Explorer. Retrieved . wikidata.org.
  23. [25] . Nonprofit Explorer. Retrieved . wikidata.org.
  24. [26] . Nonprofit Explorer. Retrieved . wikidata.org.
  25. [27] . Nonprofit Explorer. Retrieved . wikidata.org.

Class ancestry

  1. [1] . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] . Wikimedia Foundation. dumps.wikimedia.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). Heyday Books. Retrieved May 3, 2026, from https://4ort.xyz/entity/heyday-books
MLA “Heyday Books.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/heyday-books.
BibTeX @misc{4ortxyz_heyday-books_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Heyday Books}}, year = {2026}, url = {https://4ort.xyz/entity/heyday-books}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Heyday Books — https://4ort.xyz/entity/heyday-books (retrieved 2026-05-03)

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