As I promised, I have just finished Wikibooks cover. And I am wondering what will be your first reaction when seeing it. I uploaded Wikibooks cover in the course web site (Open courseware) under the Wikibooks Form. Please have a look.

Apologize Murat hoca. Now we have also Math section on wikibook cover (version 2).

it is a technological tool or device used to give students feedback in large classroom. At first glance this device may seem so simple but its effects when used effectively not only on learning but also on motivation, engagement are very large. multitude of publications in literature are evidence of my articulation.