Swift Programming: Free eBooks and Learning Resources
http://www.iphonetransferrecovery.com/Swift/free-ebooks.html
Free Swift programming ebooks available in ePub, PDF, MOBI and HTML format.
Kidnznet
Re:Swift, the new way to build iOS Apps. Here's how
on Tuesday June 03, 2014 @12:37PM (#7841212)
Free downloadable ebooks can be found there: http://www.iphonetransferrecovery.com/Swift/free-ebooks.html