Book excerpt: Author of the comic rodeo novel Hey Cowboy, Wanna Get Lucky?, irregular commentator on NPR, syndicated columnist, and the best-selling cowboy poet in the world now rounds up this hilarious collection of poetry and commentaries that have made him public radio's favorite left-handed former large animal veterinarian. Veterinarian-turned-poet/columnist/raconteur Baxter Black has been making people laugh since his days of doctoring livestock. Now heard and read regularly around the country via his radio and television appearances and hailed by readers for his self-published poetry books, Baxter has left a trail of laughter in his wake. Cactus Tracks & Cowboy Philosophy is the complete illustrated collection of his commentaries that have aired on NPR's Morning Edition. It is the latest dose of the best medicine from this former animal doctor with the wit and soul of a salty sagebrush Shakespeare.