The Case of the Phantom Friend (The Nicki Holland Mystery Series #2)

Can Nicki and her friends solve the mystery with only one clue? A man's angry voice echoed in the house and reached the girls outside. "You're a foolish, silly old woman!" the man yelled. "And one of these days you'll realize how wrong you are to oppose me. Just you wait, old lady. You'll be sorry!" Nicki, Laura, Christine, Meredith, and Kim have found a new friend in Lela Greaves. But someone has threatened Mrs. Greaves and now she could lose everything she loves. The girls have one clue that they hope will lead to something to save Mrs. Greaves—if only they can solve the mystery before it's too late!