iPhone application development is explained here in an accessible treatment for the generalist Library and Information Science (LIS) practitioner. Future information-seeking practices by users will take place across a diverse array of ubiquitous computing devices. iPhone applications represent one of the most compelling new platforms for which to remediate and re-engineer library service. Strategies of efficient mobile design and delivery include adapting computing best practices of data independence and adhering to web standards as articulated by the W3C. These best practices apply across the diverse range of handheld devices and accompanying software development tools. This book is essentially a how-to guide for application development, laying out foundational principles and then moving toward practical implementations. - Overview and step-by-step development guide with Web Based Applications (the Dash code application) - Overview and step-by-step development guide using the Native Application Developer (the Xcode application) - Explaining principles of portability and transferability of systems