PROJECT CANVAS can be interpreted in a few different ways.
noun: a strong, coarse unbleached cloth made from hemp, flax, cotton, or a similar yarn, used to make items such as sails and tents and as a surface for oil painting.
Artists use canvas as the base for their work. Similarly, this book will be a foundation for writing technique and inspiration.
Add one letter, and you get:
noun: a process of attempting to ascertain opinions.
This book will be created from our separate, unique opinions and experiences with writing.
In essence, the title describes both the artistic focus and developmental nature of the book.