Is there a free AI service, that can generate a voice for me, to read my stories?

Yes, there are several free AI-based text-to-speech (TTS) services that can generate voices to read your stories. Here are a few popular options:

**Google Text-to-Speech**: Available on Android devices, this service can be used to read text aloud in various voices and languages.

**IBM Watson Text to Speech**: IBM offers a lite plan which allows you to convert text into natural-sounding audio. 

**Microsoft Azure Speech Service**: Microsoft provides a free tier for their text-to-speech functionality, which you can use to generate voices for your stories.

**Natural Readers**: This online tool has a free version that lets you convert text to speech with some basic voice options.

**Voice Dream Reader**: While it's a paid app, it often has promotions or limited-time free access, and it includes support for a variety of voices.

**Balabolka**: A free desktop application that uses the voices installed on your computer to read text aloud.

**Read Aloud**: A free browser extension available for Chrome and Firefox that converts web text to speech.

Be sure to check the licensing and usage terms for each service, as some may have restrictions on commercial use or may require an account for longer texts.