Did you ever search for calendars with different years so you would know what day of the week your birthday would be? Well, you will love this book because the talented artist Jose L F Rodrigues calls upon mystical wizards as he joins author Philip Polchinski in this exciting mystery that unlocks the secrets of the calendar. It seems that everyone depends on the calendar to keep track of time even though no one can explain how it actually works. The special wizards will reveal all of its secrets.