Pearson became a fan of Doctor Who when he saw it broadcast on Iowa's public television station IPTV. His fondness of the show lead him to write his first book,
I, Who: The Unauthorized Guide to Doctor Who Novels. He uses the books to provide insight in to the TV series as well as facts.
Pearson has written 12 books on the television series Doctor Who and is considered an expert on the show. The Des Moines Science Fiction Society has labeled him "one of the foremost experts on 'Doctor Who' in North America."
Pearson's expertise on Doctor Who makes him sought out by fans of the show and science fiction conventions and he has hosted Doctor Who pledge drives on public television. Pearson is often a featured speaker at Doctor Who festivals and appears at many major science fiction conventions.
- 2001 ... The Twelfth Regeneration of Gallifrey One (Van Nuys, CA)
- 2001 ... Chicago TARDIS (Chicago, IL)
- 2003 ... Gallifrey One: Episode XIV - The Faction Paradox (Van Nuys, CA)
- 2003 ... Chicago TARDIS (Chicago, IL)
- 2004 ... Gallifrey One's Fifteen Minutes of Fame (Van Nuys, CA)
- 2004 ... Chicago TARDIS (Chicago, IL)
- 2005 ... The Sixteen Swashbucklers of Gallifrey One (Van Nuys, CA)
- 2005 ... Chicago TARDIS (Chicago, IL)
- 2007 ... The Eighteenth Amendment of Gallifrey One (Los Angeles, CA)
- 2007 ... Chicago TARDIS (Chicago, IL)
- 2008 ... Gallifrey One's Nineteenth Symphony: Opus 2008 (Los Angeles, CA)
- 2008 ... Chicago TARDIS (Chicago, IL)
- 2008 ... DemiCon 19 (Des Moines, IA)
- 2009 ... Dragon*Con (Atlanta, GA)
- 2010 ... TimeGate (Atlanta, GA)
- 2010 ... Dragon*Con (Atlanta, GA)