Sign Changes is a novel about ideas and the ways they have changed us. It is about the way you came to understand the very words you are reading now. About the origins of symbol use. Kpol and his tribe struggle to survive an ice age 100,000 years ago and adapt to new ways. In 16th century England, a young boy leaves the countryside to learn to read and print books. In the near-present computer age, a man and woman prepare for the bombs they fear will fall. And in the distant future, a new form of life comes into existence. What connects them all?

Playtime is a novel of suspense and romance set in modern day Galveston. What would you do if you got a second chance at life? Would you change what you are doing right now? Blaine Hadrock is one of the few to get that opportunity. It could be said that his eyes have been opened. It's summer in Galveston, and just like every other year, for thousands of people it's playtime. The beaches are packed, and the island is rocking. But for a few, the summer isn't about having fun. It's about surviving. And the way things are going for Blaine and his girlfriend Renee, a second chance might not be...

Sign Journeys is a novel about ideas and the ways they have changed us. It is about the way you came to understand the very words you are reading now. About the origins of symbol use and the ways that use has evolved over time. It continues the story of Kpol and his tribe as they struggle to survive 100,000 years ago and adapt to new ways. Jack Wilson learns to read and print books in the turmoil of 16th century England. In the near-present computer age, Able and Leah fight to survive the apocalypse. And in the distant future, a new form of life comes into existence and the fate of humanity...

Despite her recent divorce, Cass Destry has been fairly content plying her trade as a private investigator and living alone in her Galveston Island beach home. But things have gotten a bit more complex lately. This week she's been stalked, attacked, and embroiled in a murder investigation. And it's only Thursday.

Since childhood I have been fascinated with the thinking process. How we know what we know. What the brain and the mind are. What the relationship between language and thought is. The basic building blocks of thought and how we put them together. What language is and how it began. What constitutes intelligence. These pages are the most satisfactory explanations of these phenomena of which I have knowledge.