- Nightingale-Conant, Simon & Schuster Audio, Distributed by Recorded Books, Niles, IL, New York, Prince Frederick, MD, 2009
- Simon & Shuster, Recorded Books, New York, Prince Frederick, MD, 2004
- Playaway Digital Audio, manufactured and distributed by Findaway World LLC, Prince Frederick, MD, Recorded Books, Solon, Ohio, p2009
- Recorded Books, Prince Frederick, MD, p2006, Findaway World, LLC, Cleveland
- Playaway Digital Audio, distribued exclusively by Recorded Books, LLC, manufactured by Findaway World, LLC, Solon, Ohio, Prince Frederick, MD, c2008
- Bolinda Audio, Distributed by Brilliance Audio, Distributed by Recorded Books, Tullamarine, Victoria, Australia, Grand Haven, Mich., Prince Frederick, MD, 2012, p2012
- Harper Audio, Distributed by Recorded Books, New York, Prince Frederick, MD, 2014, p2013
- Recorded Books, Prince Frederick, MD, p2013
- Clipper Audio, distributed by Recorded Books, LLC, Leicester, UK, Prince Frederick, MD, 2003
- Recorded Books, Llc, Prince Frederick, MD, 2017
- Recorded Books, Prince Frederick, MD, p1995, Findaway World, LLC, Cleveland
- Hay House Audio, Distributed by Recorded Books, Carlsbad, CA, Prince Frederick, MD, p2004
- Recorded Books, Prince Frederick, MD, 2011, p2011
- Playaway Digital Audio, distributed exclusively by Recorded Books, LLC : manufactured by Findaway World, LLC, Solon, Ohio, Prince Frederick, MD, released 2008, c2008
- Recorded Books, Prince Frederick, MD, p1989
- Playaway Digital Audio, Distributed exclusively by Recorded Books, LLC, Manufactured by Findaway World, LLC, Solon, Ohio, Prince Frederick, MD, 2010, p2009
- Recorded Books, Prince Frederick, MD, 2010, p2010
- Brilliance Audio, Distributed by Recorded Books, Grand Haven, Mich., Prince Frederick, MD, p2013
- W.F. Howes, Distributed by Recorded Books, Rothley, Leicestershire, England, Prince Frederick, MD, 2010, p2009
- W.F. Howes, Distributed by Recorded Books, Rothley, Leicestershire, England, Prince Frederick, MD, p2009
- Simon & Schuster Audio, Distributed by Recorded Books, New York, Prince Frederick, MD, p2008
- Recorded Books, Prince Frederick, MD, p1991, Findaway World, LLC, Cleveland
- Recorded Books, Prince Frederick, MD, 2018
- Random House Audio, Distributed by Recorded Books, New York, Prince Frederick, MD, p2009
- Recorded Books, Prince Frederick, MD, p2002, c2001
- Playaway Digital Audio, distributed exclusively by Recorded Books, LLC, manufactured by Findaway World, LLC, Solon, Ohio, Prince Frederick, MD, released 2008, c2008
- FranklinCovey, New York, Simon & Schuster Audio, Distributed by Recorded Books, Salt Lake City, UT, Prince Frederick, MD, p2008
- Recorded Books Development, Prince Frederick, MD, p2010
- Random House Audio, Distributed by Recorded Books, New York, Prince Frederick, MD, 2012, p2007
- Brilliance Audio, Distributed by Recorded Books, Grand Haven, Mich., Prince Frederick, MD, 2013, p1995
- Recorded Books, LLC, Prince Frederick, MD, p2002, c2001
- Recorded Books, Prince Frederick, MD, p2002, c1991
- Random House Audio, Recorded Books, New York, Prince Frederick, MD, 2003
- Recorded Books, Prince Frederick, MD, p1997
- Brilliance Audio, Distributed by Recorded Books, Grand Haven, Mich., Prince Frederick, MD, p2012
- HighBridge, Distributed by Recorded Books, Minneapolis, Minn., Prince Frederick, MD, 2015
- Random House Audio, Distributed by Recorded Books, New York, Prince Frederick, MD, p1992, 2008
- Recorded Books, Prince Frederick, MD, 2012, p2012
- Recorded Books, Prince Frederick, MD, p2005, c1992
- Recorded Books, Inc., Prince Frederick, MD, p1997
- Recorded Books, Prince Frederick, MD, 2009
- Playaway Digital Audio, Distributed exclusively by Recorded Books, LLC, Manufactured by Findaway World, LLC, Solon, Ohio, Prince Frederick, MD, 2010, ℗2010
- CSA Telltapes Ltd., Distributed by Recorded Books, London, England, Prince Frederick, MD, p2011
- Recorded Books, Prince Frederick, MD, c1992, p1987
- Recorded Books, Findaway World, LLC, Prince Frederick, MD, Cleveland, OH, 2009, c2007
- Playaway Digital Audio, Findaway World, LLC, Recorded Books, Solon, OH, Prince Frederick, MD, ©2012
- Playaway Digital Audio, manufactured and distributed by Findaway World, LLC, Recorded Books, Solon, OH, Prince Frederick, MD, 2012
- Recorded Books, Prince Frederick, MD, 2011, p2010
- Recorded Books, Prince Frederick, MD, 4 3/4 in
- Playaway Digital Audio, Distributed exclusively by Recorded Books, LLC, Solon, Ohio, Prince Frederick, MD, 2010, p2010