Buying Guide:
http://robertjliguori.blogspot.com/2015/07/java-pocket-guide-buying-guide.html
Java 8 Pocket Guide (English)
Java - kurz & gut, 2 Auflage (German)
Java 8 Leksykon kieszonkowy (Polish)
Java语言袖珍指南(第2版) (Chinese)
TBD Russian
TBD Portuguese
-- Robert