I've contributed more than 300 book reviews to the San Francisco Chronicle and written for a wide range of local and national publications, including Air & Space, Saturday Review, SF Weekly, Parenting, Oregon Business and the San Diego Union-Tribune. Here are a few of my favorite clips.

Stephen King's "The Dark Tower"/Neal Stephenson's "The System of the World"

William Gibson's "Pattern Recognition"

Science Fiction/Fantasy Roundup
Reviews of recent books by Dan Simmons, Christopher Moore, Joe Hill and Tim Pratt.

Holiday Books 2006
Every year I select 10 titles as worthy of gift-giving.

Two Decades of Darkness
This profile of Dark Horse Comics appeared in Oregon Business in 2006.

Intro to "Thrilling, Chilling Tales of Alien Encounters"
I provided an introduction to this 2005 anthology of science fiction stories, edited by Gina Hyams for Chronicle Books.

Georgia O'Keeffe
The first chapter from a volume of the young-adult "American Women of Achievement" series. Selected by the New York Public Library as a "Best Book for the Teen Age."

The Physiology of Taste
Originally published in "Beer, The Magazine" and subsequently used in various online science courses.