7. The system of claim 6 wherein said portion of text comprises an audio-converted book.
6. A system comprising: a processor; a display coupled to said processor; an input device coupled to said processor; an audio output device coupled to said processor; memory coupled to said processor, wherein said memory comprises instructions that when executed cause said system to perform text to speech conversion, said method comprising: prior to a user selection to play an audible version of a portion of text, predictively identifying the portion of text for conversion to speech format, wherein said identifying comprises performing a prediction based on information associated with a user's prior reading of at least one prior-read book and based on the portion of text being newly released for access, the prior-read book being different from the portion of text being newly released for access; performing a text to speech conversion on said portion of text to produce converted speech; storing said converted speech into a memory device of said portable device; executing a reader application wherein a user request is received for narration of said portion of text; and during said executing, accessing said converted speech from said memory device and rendering said converted speech on said audio output device responsive to said user request.