AudioBook Binder 1.9 - Convert MP3 audio files to m4b format for iPod compatibility.. (Free)

AudioBook Binder 1.9 - Convert MP3 audio files to m4b format for iPod compatibility.. (Free): "

Audiobook Binder is a simple tool for converting your audiobooks from mp3 format to iPod-compatible m4b.
Features:

• Author/title information in m4b audiobook
• Cover artwork
• Tunable audio encoding properties: mono/stereo, sample rate
• Automatically adds m4b files to iTunes media library when encoding
  is finshed

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(Via MacUpdate - Mac OS X.)