Download or read book New Adventures of Mary-Kate & Ashley #44: The Case Of The Hidden Holiday Riddle written by Mary-Kate & Ashley Olsen and published by HarperEntertainment. This book was released on 2004-10-26 with total page 96 pages. Available in PDF, EPUB and Kindle. Book excerpt: Mary-Kate and I couldn't wait to solve the Hidden Holiday Riddle! We knew if we solved it, we'd win an amazing surprise! But someone stole our riddle! And our best clue sent us face-to-face with two big, scary, snarling dogs! These dogs couldn't scare us away ... We were on the case!