This is my thesis on B -> J/psi K(*)0 X decays. It is the de-jargonized version of CDF note 5396. It also includes more theoretical background, non-blessed Bs results, and an appendix with suggestions for anyone wishing to do a similar analysis in Run II. Questions to: Stephen Bailey, bailey@slac.stanford.edu Posted to /cdf/pub/thesis/cdf5637_bailey_thesis.ps http://www-cdf.fnal.gov/thesis/cdf5637_bailey_thesis.ps Posted by bailey@cdfsga