The Apple Macintosh Allegro Common Lisp 1.3 Manual is a vintage instructional book designed for users of the Apple Macintosh Allegro Common Lisp 1.3 software. Written by Apple, this manual provides in-depth information and instructions on how to use the software effectively. With a focus on vintage computing, this manual is a valuable resource for those interested in learning about the capabilities and features of the Apple Macintosh Allegro Common Lisp 1.3 system.