Download or read book Zack Files 02: Through the Medicine Cabinet written by Dan Greenburg and published by Penguin. This book was released on 1996-08-06 with total page 66 pages. Available in PDF, EPUB and Kindle. Book excerpt: One minute I was looking for my retainer in the bathroom. The next, I was staring at a boy who looked just like me. And I don't mean my reflection! What's going on here?