Abstract: Trigger point information is generated for an eBook to play sounds in an eBook. A request for trigger point information is received from a client. The eBook is analyzed to determine trigger point information for the eBook. The trigger point information includes location information identifying a location of a trigger point in the eBook. The trigger information also includes sound information indicating a sound to play at the trigger point. The determined trigger point information is transmitted to the client in response to the request for trigger point information. The client is configured to track a user's reading location in the eBook and play the sound indicated by the sound information responsive to the user reading the eBook at the location of the trigger point.