This document provides 501 writing prompts for students to practice different types of writing. It includes prompts for persuasive, expository, narrative, and literary response essays. The prompts cover a wide range of topics. The document also lists the contributors who helped create the writing prompts. It provides an introduction on how to use the book of prompts, including choosing a prompt type, learning how to score essays, and reviewing model responses. The goal is to help students improve their writing skills through practice.