Perhaps the most up-to-date information on QuickTime and its many applications may be found, logically enough, on the World Wide Web. Some of the information on the sites listed may appear dated, but much of it is still relevant. Peruse the following for even more information than any one book can deliver.
The Little QuickTime Page
By Judith Stern and Robert Lettieri
Editing in QuickTime Player Pro
The Many Facets of QuickTime (QT4, Part 1)
By Derrick Story
QuickTime 4, New Capabilities, ...