The Book Writing Cube is a versatile tool that can help you plan and write your book. It includes a chapter planner, where you can map out the structure of your book and decide how long should a chapter be. There is also a scene outline, which you can use to plan each chapter in detail. In addition, the Book Writing Cube includes a character sheet, where you can keep track of your characters' names, appearance, and personality traits. With its many features, the Book Writing Cube is an indispensable tool for any author.