I have a Toshiba computer 1, Toshiba computer 2, a Samsung phone, a Samsung Tablet...in each one my Adobe Digital Editions library is different...how can sincronize them in one step so I can see all books of my library of ALL devices?

I have a Toshiba computer 1, Toshiba computer 2, Samsung phone and Samsung Tablet.

In all I have downloaded Adobe Digital Editions.

In some devices I have purchased or downloaded books, but my library is different in each device.

How can see all the books of my library in ALL devices?

With Amazon Kindle this is automatic and I dont have this problem.