I liked the 4% universe, not that I have any great understanding of dark matter and energy, but for the history of a "pseudo-science" to "science" transition. The field of Cosmology was, and could have stayed, about as scientific as astrology.
This book can form a necessary understanding of the scientific method, and how it can be used to understand difficult and distant problems (similar to social science and educational issues). The core measures are interrelated (distance, time, brightness) so the "core" measures are subject to some debate, and constant reinforcement and checking of initial assumptions and hypotheses is crucial.
As concurrent evidence is the key ingredient, there is basically a 3-D ongoing interpretation of Science from first principals. Could very easily have stayed in religious or "guess what" levels.
The politics and funding of science is also a continuing eye-opener - it's surprising anything gets done sometimes.
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