SECURITIES AND EXCHANGE COMMISSION

Washington, DC 20549

FORM 8-K

CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF

THE SECURITIES EXCHANGE ACT OF 1934

November 9, 2005

Date of report (date of earliest event reported)

HM PUBLISHING CORP.

HOUGHTON MIFFLIN COMPANY

(Exact name of registrants as specified in their charters)

Delaware

Massachusetts

333-110720

333-105746

13-4265843

04-1456030

(State or other jurisdictions of

incorporation or organization)

Commission File Numbers

(I.R.S. Employer

Identification Nos.)

222 Berkeley Street

Boston, Massachusetts 02116

(Address of principal executive offices) (Zip Code)

(617) 351-5000

(Registrants’ telephone number, including area code)

N/A

(Former Name or Former Address, if Changed since Last Report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrants under any of the following provisions:

Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

Pre-commencement communications Pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

Pre commencement communications pursuant to Rule 113e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Item 2.02. Results of Operations and Financial Condition.

On November 9, 2005, the Registrants issued a press release announcing their financial results for the quarter ended September 30, 2005, a copy of which is attached hereto as Exhibit 99.01.

Item 9.01. Financial Statements and Exhibits.

99.01

Press release dated November 9, 2005, announcing Registrants’ results for the quarter ended September 30, 2005

This information and the exhibits hereto are being furnished and shall not be deemed to be “filed” for the purposes of Section 18 of, or otherwise regarded as filed under, the Securities Exchange Act of 1934, as amended. The information contained in this report shall not be incorporated by reference into any filing of Registrant with the SEC, whether made before or after the date hereof, regardless of any general incorporation language in such filings.

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrants have duly caused this report to be signed on their behalf by the undersigned hereunto duly authorized.

Date: November 9, 2005

HM PUBLISHING CORP.

HOUGHTON MIFFLIN COMPANY

By: /s/ STEPHEN C. RICHARDS

Stephen C. Richards

Executive Vice President, Chief Operating

Officer, and Chief Financial Officer

EXHIBIT LIST

99.01

Press release dated November 9, 2005 announcing Registrants’ results for the quarter ended September 30, 2005.

HM PUBLISHING CORP 8-K