If you are not now, nor have you ever been, a Biblical Greek student, but you're interested in getting your feet wet in the Greek, this book ought to be on your short list of resources: The English-Greek Reverse Interlinear New Testament.
Why? Regular interlinear New Testaments have the Greek on the top line, and then there are English words underneath each Greek word (Greek word order is different than English, so if you're trying to read the English, it's going to look "mixed up"). Regular interlinear New Testament books are Greek books that have some English in them.
This book is the opposite: it's a REVERSE interlinear. It's the English Standard Version on the top line, and then they put the Greek words underneath each English word. It's an English book that shows you what the Greek was.
So you can use this New Testament in your Bible Study class (as long as you're only studying the New Testament) and you won't get lost. You can go along, and when you come across the English word "love," for example, you can look underneath that word and see if it's "agape" or "philia" (agape is the selfless love, and philia is "brotherly" love like Philadelphia, the city of brotherly love). Or you will come across the word "earthquake" and see that the Greek word there is "seismos" as in seismology, the study of earthquakes, and the seismogram (the needle and the paper like you see in movies or cartoons). You don't need to do crazy grammar and hair-pulling parsing; you just read your ESV Scriptures and then see Greek underneath it. It doesn't get much easier than that!
I've had this book for at least four years, but what drove me to write this blog post is the fact that you can buy it on Amazon.com for under forty bucks! I'm sure I paid more than that for mine (whether I received an employee discount or not), but to see that price for the general public is noteworthy. Maybe it's a sign that there's a second edition in the works? I don't know.
At any rate, if you're interested in Greek but you don't want to go to college or seminary, this would be a great resource to dabble with ease and not get overwhelmed. Remember, it's an English New Testament that just happens to have Greek in it!