The Bible is called "the Word of God" because God inspired it, but that's not precisely the same as saying that He wrote it. In fact, the Bible itself contains dozens of statements showing who the human authors were. As with so many things in our world, God the Almighty did His work through human agents, agents that He moved to write down the words by which He has inspired, informed, and encouraged His people for thousands of years.
This book recounts in plain language who wrote the books of the Bible, when, and why, then explains how the books were selected to be included in God's holy Word. This is basic information that every Bible student should have if they want to interpret the Bible accurately. The book is 67 pages long and can be read in less than an hour, but the contents will affect how you understand the Bible for the rest of your life.