"OH NO " Bubbles were running out of the tub and onto the floor. Some big bubbles were even bouncing toward the door "What do we do?" gasped Zak. Wherever they go, Ack and Zak manage to get into trouble. Such nice little ghosts, such big trouble. Fortunately for them, adults can't see or hear them. Kids can Join Ack and Zak, and their friend Max, for seven adventures. An "early chapter book," this book is designed to fill the gap for children ages 4-7 who are ready to move beyond picture books but might still be easily frightened by the content of more advanced chapter books. Each chapter is a fun read-aloud story and can be an easy entry for children to begin reading chapter books on their own.