Uncommon group lot of five early developer manuals for the Apple II and Apple Macintosh personal computers, including an Apple Software Bank manual for the Apple II, a Macintosh User Interface Guidelines manual, and a three-volume manual set for the Macintosh Development Environment/ User Education, which also includes information related to the Apple Lisa. The Apple Software Bank manual (circa 1978-1979), with its original binder, contains sections related to Client Billing, Database Management, Disk-O-Check, and Mail List. The User Interface Guidelines manual (second edition) dates to October 1982 and contains various chapters related to the user experience, like Screen, Mouse, Keyboard, Models, Desktop, Windows, Characters, Commands, and more. Three manuals for Macintosh Development Environment, each in their original three-ring binder, contain 48 different sections related to Macintosh development, including Road Map, Technical Index, User Interface, Resource Manager, QuickDraw, Font Manager, Event Manager, Editor, Compiler, Linker, Debugger, Disk Driver, Disk Formatter, and more. In overall fine condition, with wear to binders, and some toning opening pages and textblocks.