The Agile Samurai: How Masters Deliver Great Software (Pragmatic Programmers)

Design It!: From Programmer to Software Architect (The Pragmatic Programmers)

Programming Erlang: Software for a Concurrent World (Pragmatic Programmers)

Practices of an Agile Developer: Working in the Real World (Pragmatic Bookshelf) Programmers)

Programming Ruby 3.3: The Pragmatic Programmers Guide (Pragmatic Programmers; Facets of Ruby)