After working with many different mapping SDKs, I realized there was a hole in the documentation for many of them. In this book, published by Apress in 2020, I show how to build mapping and location apps for iOS with Apple's MapKit and CoreLocation APIs, the Google Maps for iOS SDK, and the Mapbox SDK.
You can find more information, including a sample chapter, at the Apress web site:
You can also buy the book from Amazon:
On either site, you can purchase the book as an ebook or as a softcover book. It is also available in other stores, and in most countries, but it has not been translated.