EXHIBIT 99.1

FOR IMMEDIATE RELEASE



             INFORMATION HOLDINGS INC. PRICES COMMON STOCK OFFERING

         NEW YORK, MARCH 14, 2000 -- INFORMATION HOLDINGS INC. (NYSE:IHI)
announced today that it has priced a public offering of 4,500,000 shares of
common stock at a price to the public of $36.50 per share. The Company has
granted the underwriters an option to purchase up to an additional 675,000
shares to cover over-allotments. The net proceeds to the Company totaling
approximately $155 million will be used to develop and market the Company's
CorporateIntelligence.com web site, to finance future acquisitions and for
working capital and general corporate purposes. The Company expects to complete
the offering on March 20, 2000. Merrill Lynch & Co., Morgan Stanley Dean Witter
and Thomas Weisel Partners LLC are acting as managing underwriters for the
offering.

         For a copy of the prospectus relating to this offering, contact Merrill
Lynch & Co. at (212) 449-3107.

         Information Holdings Inc. is a leading provider of information products
and services, primarily to the intellectual property and scientific markets.
Through its CorporateIntelligence.com unit, which includes MicroPatent and
Master Data Center, the Company provides a broad array of databases, information
products and complementary services for intellectual property professionals. The
Company is recognized as a leading provider of intellectual property information
over the Internet. In addition, the Company's CRC Press(R) business publishes
professional and academic books, journals, newsletters and electronic databases
covering areas such as life sciences, environmental sciences, engineering,
mathematics, physical sciences and business. Information Holdings Inc. is listed
on the New York Stock Exchange and trades under the symbol IHI.

For further information contact:

Vincent A. Chippari                                      Chris Plunkett
Executive Vice President & Chief Financial Officer       Brainerd Communicators
Information Holdings Inc.                                (212) 986-6667
(203) 961-9208