This open textbook addresses the population of individuals with disabilities that experience complex lifelong needs across multiple areas in their lives. Drs. Sennott and Loman drafted this book (along with the help from some friends) with the hope of providing pertinent, practical, and current resources to future special educators who plan to serve individuals with complex disabilities.Table of Contents: Chapter 1: Guiding Principles for Developing Comprehensive and Meaningful Instruction for Individuals with Complex Needs by Sheldon L. Loman, provides readers with practical resources to develop their repertoire of tools for designing supports for individuals with significant needs.Chapter 2: Naturalistic AAC Communication Intervention by Samuel Sennott, introduces the reader to Augmentative and Alternative Communication (AAC) and shares specific intervention resources including the innovative naturalistic strategy: MODELER.Chapter 3: Principles of Applied Behavior Analysis to Teach by Kristy Lee Park, provides an overview and examples of research-based approaches of Applied Behavior Analysis (ABA).Chapter 4: Developing Function-based Interventions by Sheldon Loman, shares a practical guide for the use of research-based critical features to design positive behavioral interventions based on the reasons why students engage in problem behaviors (i.e., function of student behavior).Chapter 5: iOS 8 Accessibility by Luis F. Pérez, presents the latest information on the accessibility of mobile devices using the iOS 8 Apple operating system. This chapter embeds multiple video examples for improving the accessibility for mobile devices with this newest operating system.Chapter 6: Using Content Acquisition Podcasts (CAPs) to Improve Vocabulary Instruction and Learning for Students with Disabilities and Their Teachers by Michael J. Kennedy, John Romig, and Wendy J. Rodgers, introduce a multimedia-based tool that can be created by teachers with technology they already have on their computers. In this chapter they provide e