iOS - iPhone, iPad, iPod Touch
1. Open the email containing the book and click the link.
2. Click the share button at the bottom of the screen.
3. Click the Copy to iBooks
4. If there is no Copy to iBooks button click this:
5. Repeat steps 2 & 3
Android - Samsung, LG, Motorola, Google, Huawei
1. Click on "Play Store" in "Applications" on your phone
2. Search for and then install "Adobe Acrobat Reader"
3. Click the download link on the success page, if you have closed the success page, you can find a link back to it at the bottom of your invoice, which has been emailed to you.
4. When presented with the option, open the book in Adobe Acrobat Reader