A process approach to creative writing, emphasizing open-ended exploratory writing through carefully focused exercises and journal-writing activities. Focuses on writing poems, stories, and essays, with samples by professionals and students that illustrate techniques.
I was assigned this book in college, and it's still, all these years later, my go-to reference for writing technique. Sometimes it helps to pull it out and do some of the exercises, just to get my mind going in the right direction.