You can read this collection of essays online:
I stumbled upon it when reading about transmedia.
Throughout 2011, if:book Australia commissioned essays from ten Australian writers on the future of writing and reading in a future tilted towards the digital. Each writer drew on his or her experience in fields diverse as publishing, transmedia, gaming, and comics to observe the changes taking place in ‘books’ and discussing where this might lead for authors, readers, and reading culture. Hand Made High Tech is the result.
& I just came across this one, too: Getting Started in Transmedia