Please visit The Talking Book Store for an excellent list of audio books from some of the world's best publishers.
Talking Book Store also offer many many downloadable pimsleur language learning courses as you can see below...

New Testament Greek VocabularyWritten By : Jonathan T. PenningtonNarrated By : Jonathan T. PenningtonPublished By - ZondervanDuration : 2 hoursType - Language Courses
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Pimsleur Vietnamese I Complete CourseWritten By : Dr. Paul PimsleurNarrated By : VariousPublished By - Simon & SchusterDuration : 15 hoursType - Language Courses
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Pimsleur Thai I Part 2Written By : Dr. Paul PimsleurNarrated By : VariousPublished By - Simon & SchusterDuration : 5 hoursType - Language Courses
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Pimsleur Irish I Part 1Written By : PimsleurNarrated By : VariousPublished By - Simon & SchusterDuration : 4 hoursType - Language Courses
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Pimsleur English for Korean Speakers I Part 2Written By : Dr. Paul PimsleurNarrated By : VariousPublished By - Simon & SchusterDuration : 5 hoursType - Language Courses
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