Why Mather failed to publish "Biblia Americana"?

If "Biblia Americana" is indeed such an extraordinary work of American scholarship, why was Mather unsuccessful in finding a publisher? A quick glance at the sheer size of the 6 folio volumes may easily explain why. Even before "Biblia" attained its present size by 1728, Cotton Mather turned to the print medium to attract subscribers for his planned Commentary (in 2 vols.) at the rate of "five Pounds of our Money, to the Subscribers" ("New Offer" [1714?]). Advertising his "Biblia Americana" in his Bonifacius (1710), in an especially printed handbill "New Offer to the Lovers of Religion and Learning" (Boston, 1714?), and in various publications including his recently edited Threefold Paradise: "Triparadisus" (1995), Mather enlisted subscribers "for more than one hundred setts of the Work; to be paid in upon their Arrival here [Boston]; if [publishers] will run the Risque thereof" (Diary 2:312). Moreover, Mather wrote long pleading letters to his English friends in Old and New England to garner the financial backing necessary before publishers would commit their limited resources. T.J. Holmes perhaps best summarizes the issue: "It is clear that the Biblia Americana failed of publication not through defects in its literary or scholarly qualities, for the manuscript never left Boston, and was not viewed by any London publisher. The great work called for a large outlay of capital, which was not forthcoming. Matthew Henry's Exposition of the Old and New Testament . . . had already advanced far in its publication. . . . That work being in course of publication . . . may have been a factor in discouraging new heavy undertakings of capital for what seemed to be another work of similar nature" (Cotton Mather: A Bibliography 2:735). Despite constant disappointments, Mather never gave up hope that his magnum opus would see the light of print--even as he kept adding hundreds of new pages to the existing corpus until his death in 1727/28 (Samuel Mather's Life of Cotton Mather [1729], p. 73).