Mac OS 9 The Missing Manual $6.00 The book the should have been in the box. Mac OS 9 The Missing Manual quantity Add to cart Add to Quote Continue Shopping Category: OS 9 Description 50 new features! improved speech recognition and more all covered in Mac OS 9:The Missing Manual, David Pogue offers warm witty, jargon-free writing with enough basics for the novice and enough depth for the power user.