the magic keyboard

Previously

…Leo snatched the note, stuffed it in his pocket, and called down, "Just getting a book, Mom! Coming down now!" He clambered down the ladder, his heart pounding. The note burned in his pocket. What did it mean? Until dawn? Use wisely for what? He had to find the keyboard again. But more than that, he had to figure out what this magic really was—and why it seemed to have its own rules. He lay in bed that night, staring at the ceiling, the note clutched in his hand. The moonlight crept across his floor, and he wondered what the morning would bring. One thing was certain: Leo Barton's ordinary life was over. And the adventure had only just begun.