This handbook from Andy Sabisch contains everything you need to master the Minelab CTX 3030 quickly, gaining from the experience of the author and contributors.
Some topics covered include:-
If you already own a CTX 3030, this book will simplify its operation and help you find more, even if you have had considerable time on the detector.
If you are considering buying one, it will answer questions you may have and ensure you have a solid understanding of what it is capable of doing.