I am looking for a cover design for an e-book called, 'Twitter for Charities, Non-profits and the Voluntary Sector'. It should be a nice clean design. Something that's identifiable in some way with the Twitter branding - so that it looks like a book about Twitter. It will be graphic based rather than photo based, i.e. no real photos of people. it will look friendly and welcoming; it shouldn't look to much like a technical book.
Title of ebook:
'Twitter for Charities, Non-profits and the Voluntary Sector'
The book has the following strap line:
Everything you need to unlock the power of Twitter
You are free to suggest colour, typography and design based on the above description.
The text on the cover should include the names of the authors, Jim Byrne and Jeremy Webb.
I had a look on Amazon and quite liked the following book cover designs: