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Two books.
Room to think.
Read both volumes here, free. Keep the visual companions for a shorter read offline. Print and ePub editions are being prepared for publication.

Volume I · Chapters 1–13
Understanding Cost, Capacity, and Capability
Understand what you are buying, what your workloads need, and what useful work is worth. Build a clear view of cost, capacity, and capability before making the next decision.
Full online edition: free · Visual summaries: free · Print & ePub: forthcoming

Volume II · Chapters 14–24
Managing Demand, Risk, and Scale
Turn understanding into a working practice. Plan for uncertain demand, protect the capacity that matters, and make commitments that hold as customers, markets, and organizations grow.
Full online edition: free · Visual summaries: free · Print & ePub: forthcoming
The forthcoming editions
A place on your desk.
A copy on your e-reader.
Each volume will be available as a separate print and ePub edition. Publication dates, prices, ISBNs, and bookseller links will be announced when they are ready.
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New writing on cloud economics, AI infrastructure, and capacity planning, plus updates from the free books. Occasional emails from Timothy O’Brien.