Java Concurrency in Practice
Brian Goetz & Tim Peierls & Joshua Bloch & Joseph Bowbeer & David Holmes & Doug Lea
Elasticsearch: A Complete Guide
Bharvi Dixit & Saurabh Chhajed & Rafał Kuć & Marek Rogoziński
Hobbit, czyli tam i z powrotem
J.R.R. Tolkien
BDD in Action: Behavior-Driven Development for the Whole Software ...
John Ferguson Smart
The Clean Coder
Robert C. Martin
Clean Code
Agile Estimating and Planning
Mike Cohn