In March 2010, a new "critically emended edition" was published in a limited edition of 1,000 copies by Houyhnhnm Press in conjunction with Penguin. This edition was published in a trade edition in 2012. Edited by Danis Rose and John O'Hanlon, is the "summation of thirty years' intense engagement by textual scholars Danis Rose and John O’Hanlon verifying, codifying, collating and clarifying the 20,000 pages of notes, drafts, typescripts and proofs." In the publisher's words the new edition "incorporates some 9,000 minor yet crucial corrections and amendments, covering punctuation marks, font choice, spacing, misspellings, misplaced phrases and ruptured syntax." According to the publisher, "Although individually minor, these changes are nonetheless crucial in that they facilitate a smooth reading of the book’s allusive density and essential fabric."