The Commonwealth of Learning (COL) recently released a tome (500+ pages of text) entitled Education in a Digital World. You can download parts or the entire book for free.
Written by experts from around the world, this comprehensive collection offers practical, contemporary guidance to support e-learning decision-making, instructional choices, as well as program and course planning, and development.
It has five parts:
Part 1: The Impact of Instructional Technologies
Part 2: Preparing Online Courses
Part 3: Implementing Technology
Part 4: E-learning in Action
Part 5: Engagement and Communication
The first five pages of the book has a synopsis of every chapter so you can check out sections before deciding what, if anything, you want to download.