Test-Driven iOS Development - Gimme The Code
Dominik Hauser
A not so short introduction to ConTeXt Mark IV
Ataz-López, Joaquin
Think Like A Programmer
V. Anton Spraul
Advanced iOS Volume Three
Paul Hudson
Thinking in SwiftUI
Chris Eidhof & Florian Kugler
Advanced Swift
Chris Eidhof & Ole Begemann & Florian Kugler & Ben Cohen
Functional Swift
Chris Eidhof & Florian Kugler & Wouter Swierstra
Core Data
Florian Kugler & Daniel Eggert
App Architecture
Chris Eidhof & Matt Gallagher & Florian Kugler