The Ring, the Sword, and the Unicorn

From the Face-page: You'll show them! your brother and sister don't believe that the forest behind your house is enchanted and filled with all kinds of magical beasts. You know better. What's more, you're going to prove it! From the back of the book: Will you be attacked by fierce monsters? Will you be trapped by an evil wizard's magic spell? Or can you outsmart them all? Turn the page and find out! Only you can decide where your adventure will lead. From TSR, Inc., the producers of the Dungeons and Dragons game.