This work provides thorough coverage of the three Visor models on the market: Visor Platinum, Visor Prism, and Visor Edge. This second edition covers the newer Palm OS 4. There is also comprehensive coverage of all the existing Springboard modules, including VisorPhone, eBook reader, Total Recall Digital Voice Recorder, Presenter-to-Go, and the HandyGPS. The book also includes coverage of the Digital Camera EyeModule. Aimed at both beginner and intermediate users, this books helps novices get the most out of their Visor while also covering in-depth aspects of the Palm operating system for more experienced users.