We prepared for you ebooks. They are very interesting, so we hope you'll like them!
Ondra's book is here: http://1drv.ms/1QAlyNd
Honza's book: http://1drv.ms/1QAlKfw
Tom H.'s book: http://1drv.ms/1QAlY6g
Tom K.'s book: http://1drv.ms/1QAmilv
Fanda's book: http://1drv.ms/1Q3FHso
Luky's book: http://1drv.ms/1Q3FZiT
The books are in EPUB. You will have to use for example this app which lets you read EPUB - files.