TORONTO--(BUSINESS WIRE)--Top Hat, the leading active learning platform for higher education, has acquired Fountainhead Press, an independent press with an expansive portfolio of higher ed content across multiple disciplines. Details of the transaction were not disclosed. The acquisition, which follows the recent acquisitions of bluedoor and Nelson's Canadian higher ed textbook business, includes more than 500 titles used at 400 institutions. These materials are being rapidly converted into dig