Are there any limits to the number of concurrent users?
The number of concurrent users varies on a title-by-title basis and can range from one to unlimited users.
The number of concurrent users should be clearly displayed on the title page of the e-book, for example;


When the limit is reached you will see this message 'Sorry, this book is in use' and you are advised to wait 10 minutes before trying to log in again as a user may have finished reading.