Polished Ruby Programming
Jeremy Evans
Building Microservices
Sam Newman
Harry Potter and the Goblet of Fire (US Edition)
J.K. Rowling
Harry Potter (US Edition) (4)
Learning SQL
Alan Beaulieu
Move on to JUnit 5
Baeldung
Property-Based Testing with PropEr, Erlang, and Elixir
Fred Hebert
Testing in Scala
Daniel Hinojosa
Testing Elixir
Jeffrey Matthias & Andrea Leopardi
Next-Level A/B Testing
Leemay Nassery
Practical A/B Testing