Assuming no prior knowledge and in the usual easy-to-follow In Easy Steps style, this title will start by explaining what exactly is the iPhone?Then, the author covers 136 topics which include cellular, wireless, battery and storage capabilities, Touch screen display, Virtual keyboard, audio and video playback, camera: stills and video, Buttons and controls, SIM card slot, Ports, Headphone socket, Installed programs, key new features with iPhone software version 4.0, customizing the Wallpaper, basic care of the iPhone, synchronizing data, using MobileMe, battery care, installing system software updates, initial setup and registration, Networks: Edge, 3G and WiFi, Airplane mode, all the clever ways of making phone calls including conference calls, music video, communicating using other programs including skype... everything the reader needs to know to make the most of the iPhone.All this for less than $15! A worthwhile investment for any iPhone 4 newbie!