References
https://www.alphapublisher.com/post/book-publishing-companies-in-illinois
https://www.elitepublishingcompany.com/post/99-biggest-publishers-in-illinois
https://www.onlinecashbackshopper.com/post/10-top-publishing-houses-in-illinois
https://www.lovelypublishing.com/post/15-famous-book-publishers-in-illinois
https://www.hardcoverpublishing.com/post/20-publishing-companies-in-illinois
https://www.inkloftpublishing.com/post/23-exceptional-printing-presses-in-illinois
https://www.publishingrealm.com/post/28-illinois-publishers-fueling-knowledge-and-creativity
https://list.ly/list/8hFE-25-amazing-book-publishers-in-illinois
https://www.linkedin.com/pulse/exploring-illinois-hub-book-publishing-excellence-75oae
https://www.firstbookpublisher.com/post/prairie-pages-new-books-for-illinoisans-to-dive-into
https://www.romancebookpublisher.com/post/heartland-highlights-exciting-books-coming-to-illinois
https://www.comicspublishing.com/post/chicago-chronicles-dive-into-fresh-biography-titles-today
https://www.memoirbookpublisher.com/post/land-of-lincoln-lives-explore-new-memoirs-and-biographies
https://www.humorbookpublisher.com/post/illinois-insights-unveiling-latest-biography-releases
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