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* AOL Time Warner Inc. may get at least two offers for its book publishing unit as it completes a first round of bidding, sources said. Possible bidders include Willis Stein & Partners, the Chicago-based buyout firm with stakes in magazine publisher Ziff Davis Media Inc. and 40 other companies, and Bertelsmann, the German owner of book publisher Random House.

* Entertainment companies will launch a lobbying campaign today pressing Congress to approve free-trade treaties recently negotiated with Chile and Singapore by U.S. Trade Representative Robert Zoellick.

* The cast and crew of HBO’s “The Sopranos” were notified that the scheduled March 24 start date for production on the hit drama’s fifth season has been postponed until the escalating legal battle between the cable network and series star James Gandolfini is resolved.

* Rep. Michael G. Oxley (R-Ohio), chairman of the House Financial Services Committee, criticized the fact that fees paid by mutual fund investors are rising despite intense competition in the $6-trillion industry and that some fees are hidden so that it’s difficult to compare funds.

* Power producer Calpine Corp. said the staff of the Securities and Exchange Commission would not be seeking any adjustments to financial statements after concluding a review of the accounting treatment of two power sales contracts.

* Tyco International Ltd. cut its fiscal 2003 profit forecast because of “issues” in its Fire & Security Services division that will result in non-cash costs of up to $325 million. Tyco also fired the unit’s president, Jerry Boggess.