Use this 'Book: A to Z Mysteries; A to Z Characterization Page' printable worksheet in the classroom or at home. Your students will love this 'Book: A to Z Mysteries; A to Z Characterization Page'. The A to Z mystery series always focuses on the adventures of Dink, Josh, and Ruth Rose. This one page chart asks students to compare and contrast the actions, dialogue, appearance, and importance of each character. This page can be used with any A to Z Mystery.