Bill does not have videos for sale, however, he recommends the following videos:
Michele Smith is an Olympic Gold Medal Pitcher who has developed a method of pitching that reduces stress on the arm and shoulder.
Michele's videos can be found here:
Michele Smith Videos
Michele Smith's Home Page
Very good set of 2 DVDs. First DVD is basics, second DVD is advanced pitches- riseball, curve, drop, screwball.
Jennie Finch is an Olympic Gold Medal Pitcher who with her father developed a tall upright method of pitching.
Jennie's videos can be found here:
Jennie Finch Store - Videos
Jennie Finch's Home Page
Very good video to teach beginning basics and mechanics. There are no advanced pitches discussed.