I have published a few e-books. Here are some links to them below.
macOS Sierra for Users, Administrators, and Developers is a book that covers all of the new features of macOS Sierra. For users, some of the categories covered are the new name, Siri, changes to Photos, the Apple Watch and your Mac, Storage updates, Messages, Safari changes, and the Apple File System (APFS).
For Server Administrators, some of the items include updates to permissions, Apple Classroom, security updates, and other supported changes.
For developers, the changes in Xcode as well as Swift 3 are covered. Along side these, the new frameworks that have been unveiled by Apple are discussed.
No matter what your level of expertise, macOS Sierra for Users, Administrators, and Developers has something for everybody.
iOS 10 for Users and Developers explores the myriad of new features in iOS 10 across all of Apple’s iOS-based devices: iPhone, iPad, tvOS, and watchOS. Some of the topics covered include Widgets, HomeKit, Payments, Unlocking your Mac, Notifications, Messages and the Music Redesign.
For Developers, the biggest changes occur within Xcode and Swift. Swift 3 is covered extensively as well as some of the new frameworks, and the updates with Xcode.
OS X 10.11 El Capitan for Users, Administrators and Developers covers many of the new features within the operating system. For users, we cover the new Split View, the changes to the cursor, the new San Francisco Font, changes to Spotlight, upgraded Notes, improvements to Apple Maps, and the new features of Safari.
For administrators we cover the big changes to application assignment and other changes to Profile Manager, the overall look, some file sharing changes, the improved softwareupdate command, the implications of security changes, and built-in application versions.
For developers we look at the new Apple Developer account, Xcode 7, the new frameworks like Metal, GameplayKit, and Network Extension. We also look at the changes developers need to make for security, Swift 2, changes to Objective-C and CloudKitJS.