Apparently audiobooks are the fastest-growing format in the book business. According to the Audio Publishers Association, sales in Canada and the U.S. jumped 21% in 2015 from the previous year. The global audiobook industry is currently evaluated at $3.5 billion dollars. The most popular audiobook genres in 2016 were mystery, thriller, romance, and fantasy/science fiction.
http://goodereader.com/blog/digital-publishing/audiobook-trends-and-statistics-for-2017 has a detailed article about audiobook trends.
On the topic of audiobooks, three Canadian authors have been named finalists for this year’s Audie Awards, administered by the Audio Publishers Association to recognize excellence in the audiobook format. Louise Penny is shortlisted in the Mystery category for the latest installment in her Chief Inspector Gamache series, 2016’s A Great Reckoning, narrated by Robert Bathurst. Debut author Sylvain Neuvel is nominated in the Science Fiction category for Sleeping Giants; and Canadian actress Sunny Leone is nominated in the Erotica category for her novel Sweet Dreams (http://www.quillandquire.com/awards/2017/02/09/sylvain-neuvel-louise-penny-sunny-leone-among-22nd-annual-audie-awards-finalists/). Winners will be announced on June 1.
If you are wondering what audiobook to listen to, The Telegraph recently compiled a list of 20: http://www.telegraph.co.uk/books/what-to-read/20-best-audiobooks-of-all-time/.