Short answers, pulled from the story.
Henry Trentman founded Recorded Books in 1978 within a small office in Charlotte Hall, Maryland. He was a traveling salesman who spent hours driving and listening to the radio before starting the company.
The company established its headquarters in Prince Frederick, Maryland during the 1980s. International subsidiaries include W.F. Howes Ltd. in the U.K. and Wavesound based in Australia.
Haights Cross Communications acquired Recorded Books in December 1999. In January 2014, Haights Cross sold Recorded Books to Wasserstein & Co., an independent private equity firm based in New York and Los Angeles.
In May 2014, Recorded Books acquired HighBridge Audio from Workman Publishing. January 2015 brought news of Tantor Media acquisition by Recorded Books, which later grew their catalog to exceed 22,000 titles.
Their final catalog size hit 25,000 titles by late summer of that year following the Shamrock Advisors acquisition. This growth came after annual publishing rates reached 3,000 new books in August 2015.