Topic: Data + Design (a new, free, ebook)
This is a great resource:
Read online (works well on phone and tablet) or download a PDF, the choice is yours. And because it's an open source project, you can contribute if you want to.
Digital Development Manager | Field Studies Council
http://www.field-studies-council.org | https://twitter.com/charlesroper | https://twitter.com/fsc_digital