If necessity is the mother of invention, then we’ve entered a whole new realm of need. At right you see a pocket sized appointment diary produced in 1976 by the Syarikat Great Wall Advertising Co. of Penang, Malaysia. The fact that the place is supposedly located on Love Lane should be a clue what this item truly is, for while it may seem on the outside to be a standard issue journal, on the inside it’s in fact a portable porn collection.

The discreet cover allows you to take a gander at the interior babes pretty much anywhere, with nothing to give you away except perhaps a tell-tale bulge in the trousers. But if anyone notices you can simply smile and tell them your day's slate of meetings and errands are that exciting. The personal memoranda page says that if the diary is found it should be returned to the owner, but we doubt anyone who found it would give it up, and we also doubt the previous owner would admit it was his.

On the whole we really can’t figure out if this book is perverted or wonderful, but either way it’s certainly one of the most unusual items we’ve ever come across. The good folks at Syarikat Great Wall must have churned these out in droves, because guess what? We found three of them, all different. We'll defnitely be sharing the other two a little bit later. As for right now, we're calling it a day. We have to, er, jot down a few ideas.