- Champion of Thesh
- Known for writing Embark, which chronicled a fictional mercenary's journal through a near-apocalyptic war torn continent
- This book got the praise of the king, and it was so good that it actually convinced the king to teach his children to read so that they could experience the story for themselves
- Penn is horribly awkward and has never been able to hold down a partner for any real length of time, and thus has not a spouse nor offspring