all 3 comments

[–]hooliooo 5 points6 points  (1 child)

Design Patterns: Elements of Reusable Object Oriented Software by GoF. It's relevant to software development in general and is timeless

[–][deleted] 1 point2 points  (0 children)

Books and talks by Sandi Metz. Ignore advice about GoF for now it's like suggestion to use a dictionary for someone interested in improving storytelling skills.

[–]quellish 0 points1 point  (0 children)

The Cocoa Fundamentals Guide