Henry is up to his usual mischief: annoying his younger brother, ruining Moody Margaret's sleepover, and irritating his teacher, Mrs. Battleaxe--not to mention trying to manipulate his family into seeing his favorite band--the Killer Boy Rats."Kids will love reading the laugh-out-loud funny stories about someone whose behavior is even worse than their own." --School Library Journal"Not since 'Nate the Great' has an early reader series created such a buzz." --Los Angeles Times"Will engage even the most reluctant readers." --Publishers Weekly