Apple is meticulous in its documentation of the Mac OS, and the result is the Inside Macintosh series. Apple and A-W make this documentation available to you in a variety of formats: Individual bound books (paper how novel ) Electronic full text in DocViewer format: Inside Mac CD-ROM Electronic quick reference: Macintosh Programmers Toolbox Assistant The complete list of 27 titles is pretty daunting, but take heart. You can think of Inside Mac topics in two groups: those that are common to all Macs, and those that are specific to your application. The core technology topics: The Macintosh Toolbox Interapplication Communication Text Imaging with QuickDraw Memory, Processes, Files, Operating System Utilities, Devices Specialized technology topics: QuickTime PowerPC System Software, PowerPC Numerics Sound Networking AOCE QuickDraw GX