Two names on a cover means two sets of opinions, two egos, and a money split to sort out. These articles cover co-authoring a book without the partnership falling apart. How to divide the work, the credit, and the decisions before they divide you.
The 50/50 co-author split is the lazy default and rarely correct. Four variables decide the right one: who brings the audience, who brings the substance, who does the writing, who runs the launch. Here is the math behind 50/50, 60/40, and 70/30 splits, and the specific situations where each one is actually the fair and smart structure.
Co-author and ghostwriter are not the same deal dressed differently; they are structurally different agreements with different IP outcomes, revenue splits, and effects on a book’s commercial life, and choosing wrong locks you in for years. Here is how to decide between them, when each is the right call, and the specific terms that actually separate the two.
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