Obviously, this is a book written by experienced people. Not only does it provide in-depth information for the professional developer, it is literally stuffed with tips and tricks-of-the-trade. Whenever you work yourself throug a chapter, very precise information and additional knowledge is given. This is also a time-saving book. Only relevant information is provided. Wheras most other books about MM4 are close to a redundancy overflow, this is an essential book. Best buy so far. Let's expect these people to continue their good work, so please carry on: Flah, Fireworks, Freehand, etc...