This document provides guidance on writing introductions and thesis statements for essays. It discusses including a "hook" to grab the reader's attention in the introduction. It also explains that the introduction should provide brief background on the topic and end with the thesis statement. The document defines a thesis statement as a proposition that takes a position and can be debated. It distinguishes topics from thesis statements, stating that a thesis takes a specific position on the topic. The document also discusses organizing paragraphs with transitions and provides examples of different types of transitions.