Brad, it's called A Beginners Guide to Recognizing Trees of the Northeast by Mark Mikolas. It's not only good for making an ID, it also compares similar looking species that are often confused and lets you see the subtle differences.
You all must have a lot of different birch trees out east. Round here all we have are White birch that are all yard birds bought at a nursery or river birch that can be bought or grow wild in low lyeing creek and river bottoms.
In western MA where I am, we have black, yellow, grey and paper birch. Paper looks almost exactly like grey birch... both actually being white. However, paper birch peels looking like small pieces of paper hanging off of it. Grey birch doesn't have the peels in the bark and has black triangles where the branches protrude from the bark. Paper and grey are shoulder season performers. Black and yellow birch dry relatively quickly and put out a LOT of BTUs.
Slipped away for an hour today and got a little more of the black birch. I cut three nice rounds. They were dirty enough that I dulled a chain fairly quickly. There is maybe another 1/4 cord of it there, it’s a rugged scrounge, it’s on the ground surrounded by smaller stuff. I also took some limb black birch and small maple trunk that were in the way.