Translation is one of few fields in which many argue that one learns better by doing and not by learning.
Nevertheless, learning about translation theory is not only a worthwhile pursuit, but an essential part of honing your skills and continuing to grow as a professional.
While a formal degree in translation is by no means necessary to become wildly successful in this industry, for those seeking more information about the theoretical, the following books are a good place to start:
About the Author
Audra de Falco is a freelance Italian, Spanish, French and Sicilian to English translator based in New York, NY. She has been working in the industry since 2003 and is an advocate of fair industry practices and translators' rights.