There are 2 books in the Art of Hearing Heartbeats series.
The Art of Hearing Heartbeats series does not have a new book coming out soon. The latest book, A Well-Tempered Heart (Book 2), was published in January 2014.
The first book in the Art of Hearing Heartbeats series, The Art of Hearing Heartbeats, was published in June 2012.
The Art of Hearing Heartbeats series primarily falls into the General Fiction genre.