Ms. Petrova smiled. "To get the vowels back, you must complete the . Who can find three words where the letter 'O' sounds like 'A'?"

Next, the book glowed blue. it whispered. The classroom door turned into a giant, grumpy face. "I won't let you out for recess," the door rumbled, "unless you give me five ways to say 'Happy' without using the word 'Happy'!"

One Tuesday morning, their teacher, Ms. Petrova, opened it to a page labeled Suddenly, the chalkboard sizzled. The word S-O-B-A-K-A (dog) flickered and became S-B-K . "Oh no!" cried Misha. "The dog has lost its bark!"