You might find recording your own voice daunting. We did when we started doing it, but because VoiceMap is a personal, intimate medium, we think listeners respond better to you than a trained voice artist. It’s your story, after all, and you really can tell it best. Recording is also a lot of fun, once you get going.
People love David Attenborough because he sounds like a grandfather telling an engrossing bedtime story. While that might be an impossibly high bar to set, it’s helpful to imagine yourself reading for somebody who knows you, and shares your enthusiasm. You could invite them to give you a hand, if you think that might help.