- EbookDistribution and Sales in the USMichael Johnson
- EbookSelling to Mass Merchandisers and Non-traditional Accounts in the United StatesMichael Johnson
- EbookDistribution and Sales in the USMichael Johnson
- EbookDistribution and Sales in the USMichael Johnson
- EbookDistribution and Sales in the USRobert J. Laurie
- EbookDistribution and Sales in the USRobert J. Laurie
- EbookDistribution and Sales in the USMichael Johnson