Secret Files by Vladimir Zyuzin

Very rare and expensive ebook featuring a fantastic "Day at Any Date" routine, which is even more comprehensive than The Rainman Algorhithm.

Fond Memories
The performer talks about memories and how they affect our lives and impact our future. Memories are sacred to each individual and no two people share the same exact experiences. The performer asks a lady to think of three memories and choose one in her mind and experience that memory in real time, as the performer tries to tune in to her thoughts. He then describes her memory and her exact thoughts and feelings.

A Day for any Date Improved
The routine, or rather the methodology, that follows has been very near and dear to me for the past couple of years. I’ve always been fascinated with impromptu demonstrations of extreme mental skill, and have always practiced and employed the amazing memory demonstration, quick mental calculations, and most recently, the day for any date demonstration. There are many reasons why I love this premise, the effect is quick, impressive, and can be performed virtually anywhere. Wherever there is a calendar, be it a real calendar or a cell phone calendar, you can perform this effect.