Howard Martin

Audiobooks written

2 titles

• HeartMath Method by Howard Martin
• The HeartMath Solution by Doc Childre, Howard Martin, Donna Beech, Stephan Rechtschaffen MD

Audiobooks narrated

3 titles

• Heart Intelligence by Various, Doc Childre
• HeartMath Method by Howard Martin
• The HeartMath Solution by Doc Childre, Howard Martin, Donna Beech, Stephan Rechtschaffen MD