Download or read book The Clue of the Left-Handed Envelope/The Puzzle of the Pretty Pink Handkerchief written by George E. Stanley and published by Simon and Schuster. This book was released on 2004-06 with total page 150 pages. Available in PDF, EPUB and Kindle. Book excerpt: Todd and Noelle use the detective skills they learn from their new teacher Mr. Merlin to figure out who sent a classmate an anonymous letter and find out who has been using Todd's tree house without his permission.