Mac users are passionate and loyal and these books capture that same feeling in pedagogy and series style. Titles in the Portable Genius series are not comprehensive; instead they aim to provide readers with the most accessible, useful information possible by giving readers tips and techniques for the most used features in a product or software. These books tell readers what they may not find out by just working with a product or software. Genius icons present smart or innovative ways to do something; in many cases, this will be a way that readers can save time or hassle. A smaller trim size makes it handy, but also easy for readers to find essential information on the hottest tips and tricks for their iPhone 4 for the Verizon network.