OS X El Capitan in Easy Steps Author:Nick Vandome OS X El Capitan in Easy Steps guides the reader through the raft of innovative features and includes a chapter on troubleshooting and how to keep your Mac operating system in tiptop shape. Whether users are new to the Mac or just upgrading, this book will help them master the essentials and then unleash the power of this latest Mac operating sys... more »tem, due for release Fall 2015.« less