Joining the ranks of Madonna, Jay Leno, and Tori Spelling… If his success with young readers is anything like his achievement with adults, horsehair wigs for kids may soon be ousting Harry Potter merchandise from the shops. John Grisham, whose legal thrillers have shifted more than 250m copies to adult readers, is set to move into the children’s market with a new series of novels about a 13-year-old “who knows more about the law than most lawyers” and gets caught […]