Software craftsmanship:

• The Pragmatic Programmer: from Journeyman to Master
• Clean Coder by Robert C. Martin (Uncle Bob)
• The Software Craftsman: Professionalism, Pragmatism, Pride by Sandro Mancuso

Clean Code / TDD

• Clean Code by Robert C. Martin
• Patterns of Enterprise Application Architecture by Martin Fowler
• Test Driven Development By Example by Kent Beck
• Growing Object-Oriented Software, Guided by Tests by Steeve Freeman and Nat Pryce
• Modern C++ Programming with Test-Driven Development by Jeff Langr

Refactoring

• Refactoring to Patterns — Joshua Kerievsky
• Refactoring: Improve the design of existing code by Martin Fowler
• Working Effectively with Legacy Code by Michael Feathers

BDD

• User Story Mapping by Jeff Paton
• The Cucumber Book: Behaviour-Driven Development for Testers and Developers by Matt Waynne and Aslak Hellesoy
• Introducing EventStorming by Alberto Brandolini

Architecture / DDD

• Implementing Domain-Driven Design by Vaughn Vernon
• Patterns of Enterprise Application Architecture by Martin Fowler
• Patterns, Principles, and Practices of Domain-Driven Design by Scott Millet
• Domain Modeling Made Functional: Tackle Software Complexity With Domain-Driven Design and F#
• Domain-Driven Design: Tackling Complexity in the Heart of Software by Eric Evans
• Strategic Monoliths and Microservices: Driving Innovation Using Purposeful Architecture
• Implementing Strategic Monoliths and Microservices: Patterns and Practices for Continuous Improvement

Continuous Delivery / Continuous Integration / DevOps

• Continuous Integration: Improving Software Quality and Reducing Risk by Paul M. Duvall
• Continuous Delivery: Reliable Software Releases through Build, Test, and Deployment Automation by Jez Humble and David Farley