Product information "Problem gelöst! mit Martin Rütter"
About the authors
Martin RütterMartin Ruetter is Germany's most famous dog trainer and bestselling author. He captivated an audience of millions with his training program "The Dog Professional". more about the author
Andrea BuismanAndrea Buisman is a breeder and dog trainer. At DOGs she handles the training of coaches and support for dog training schools. more about the author
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