Overall, a good book for the price and a great addition to your order, but for serious Frost devotees I would suggest a more comprehensive collection.
For example, I recently made a decision where I was torn between family and career interests. To ease the anxiety of a lost professional opportunity, I reasoned that the chance would present itself again someday, maybe. Thinking of Frost I realized that he captured that very self-rationalization in the Road Not Taken. "Oh, I kept the first for another day! Yet knowing how way leads on to way, I doubted if I should ever come back."
As others have pointed out already, the largest drawback of the book is lack of thickness. Even though one of my all-time favorites, "Stopping By the Woods on a Snowy Evening," is not present, others like "An Old Man's Winter Night" make up for it. If you need a small book to stick in a backpack while hiking for moments of inspiration while on the trail, you could do worse than to carry along a little bit of Frost.