Rob Colter is the author of Grammar to Go, the bestselling handbook that has been in print for more than thirty years. He has taught writing courses at the Toronto Bard of Education, Algonquin College, York University, and Humber College, and for ten years was a language-training consultant in business and industry. His writing workshop at Ryerson University has attracted students from all walks of life for more than twenty-five years. Colter is currently a professor at Seneca College, Toronto.