Here are some supplemental (optional) links as you read the book.
Kelby Training — Bridge Essentials (download)
Chapter 4 • The Digital Darkroom
Understanding the digital workflow
Importing with Bridge (video)
Intro to Bridge (video)
Chapter 5 • Image Editing
Photoshop Interface (video)
Photoshop Curves (video)
Sharpening in Photoshop (video)
Texture overlay (video)
Advanced compositing (video)