As cloud platforms like Amazon and Google have released new policies with restrictions on either access or administration, it is no longer secured to keep your eBooks online using these cloud services. Now the best solution for online eBook access seems to be creating your own cloud and store your eBooks in your cloud.
As a matter of fact, in addition to storing eBooks on cloud services like Amazon, you have many optional ways to make your eBooks online: you can upload your eBooks to your own server or just sign up a free account at dropbox. And it is very easy to create your own cloud of eBooks with Pub HTML5.
Pub HTML5 Cloud Hosting
Pub HTML5 is a powerful eBook creator that allows you to create attractive eBooks from static PDFs, Office files, TXT files or even images. You can publish your eBooks online directly by using Pub HTML5 Cloud Hosting (http://pubhtml5.com/cloud.php).
WordPress & Joomla & Drupal
Besides, with Pub HTML5, you can even publish your eBooks on WordPress, Joomla and Drupal sites. All you need to do is publish the eBook as WordPress plugin, Joomla module or Drupal module, and then install the eBook plugin/module in these free sites.
eBook to Dropbox
Yet, if you still stick to creating your own cloud of eBooks and put them in dropbox, then you should first use Pub HTML5 to publish the eBook as local files. And after you get the native eBook files, you can upload them to your dropbox with your account.